Kaji Haruka - profile
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Kaji HarukaCountry: Japan Age: 31 (25. 9. 1994) Current/Highest rank - singles: 251. / 213. Current/Highest rank - doubles: 1523. / 155. Sex: woman Plays: right |
- Next match
| Tournament | Round | Start | Match | H | A |
|---|---|---|---|---|---|
| No upcoming matches. | |||||
- Tournaments results
Player's record
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 323/254 | 15/17 | 262/201 | 32/25 | 14/11 | - |
| 2025 | 27/28 | 2/6 | 24/20 | 1/2 | - | - |
| 2024 | 45/32 | - | 40/30 | 5/2 | - | - |
| 2023 | 44/29 | 4/2 | 28/22 | 5/3 | 7/2 | - |
| 2022 | 27/17 | 4/2 | 22/12 | 0/2 | 1/1 | - |
| 2021 | 8/12 | 2/3 | 6/9 | - | - | - |
| 2020 | 4/4 | - | 4/3 | 0/1 | - | - |
| 2019 | 24/28 | 1/2 | 18/24 | 5/2 | - | - |
| 2018 | 24/27 | - | 24/26 | 0/1 | - | - |
| 2017 | 55/20 | - | 50/18 | 5/2 | - | - |
| 2016 | 11/13 | - | 7/10 | 3/2 | 1/1 | - |
| 2015 | 18/10 | 2/2 | 13/7 | 3/1 | - | - |
| 2014 | 14/16 | - | 13/12 | 0/1 | 1/3 | - |
| 2013 | 16/11 | - | 13/8 | 1/1 | 2/2 | - |
| 2012 | 5/5 | - | - | 3/3 | 2/2 | - |
| 2011 | 0/1 | - | - | 0/1 | - | - |
| 2009 | 1/1 | - | - | 1/1 | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 85/71 | 3/2 | 75/57 | 6/9 | 1/3 | - |
| 2025 | 1/1 | - | - | 1/1 | - | - |
| 2022 | 0/1 | - | - | 0/1 | - | - |
| 2020 | 3/3 | - | 1/2 | 2/1 | - | - |
| 2019 | 30/10 | 1/1 | 28/8 | 1/1 | - | - |
| 2018 | 16/17 | - | 16/17 | - | - | - |
| 2017 | 6/10 | - | 6/9 | 0/1 | - | - |
| 2016 | 7/7 | - | 6/5 | 1/2 | - | - |
| 2015 | 14/7 | 2/1 | 11/5 | 1/1 | - | - |
| 2014 | 5/9 | - | 4/7 | - | 1/2 | - |
| 2013 | 3/4 | - | 3/3 | 0/1 | - | - |
| 2012 | 0/2 | - | 0/1 | - | 0/1 | - |
No record for this player.
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Hong Kong WTA | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 26.10. | Sidorova K. - Kaji H. | Q-R16 | 6-1, 6-2 | 2.53 | 1.49 | |
| 25.10. | Kaji H. - Liu K. | Q-1R | 7-64, 6-4 | 1.07 | 6.86 | |
| Jinan | Round | Result | H | A | ||
| 15.10. | Gao X. - Kaji H. | R16 | 6-3, 6-3 | 1.34 | 3.15 | |
| 13.10. | Kaji H. - Ren Y. | 1R | 4-6, 6-2, 7-5 | 1.46 | 2.61 | |
| Kunshan ITF | Round | Result | H | A | ||
| 10.10. | Lee C. - Kaji H. | QF | 6-3, 2-6, 7-65 | 1.25 | 3.50 | |
| 09.10. | Kaji H. - Zavatska K. | R16 | 7-62, 6-1 | 1.80 | 1.91 | |
| 08.10. | Kaji H. - Zhang Y. | 1R | 7-64, 6-4 | 1.31 | 3.16 | |
| Incheon ITF | Round | Result | H | A | ||
| 27.09. | Lee E. - Kaji H. | SF | 7-5, 6-1 | 1.63 | 2.14 | |
| 26.09. | Kaji H. - Kuramochi M. | QF | 6-4, 6-3 | 1.89 | 1.82 | |
| 25.09. | Kaji H. - Zhu A. | R16 | 6-3, 6-4 | 1.15 | 4.77 | |
| 23.09. | Kaji H. - Plipuech P. | 1R | 6-4, 7-64 | 1.49 | 2.62 | |
| Leiria ITF | Round | Result | H | A | ||
| 02.09. | Sebov K. - Kaji H. | 1R | 6-3, 6-1 | 1.54 | 2.30 | |
| Heraklion 4 ITF | Round | Result | H | A | ||
| 26.08. | Kubka M. - Kaji H. | 1R | 6-2, 3-6, 7-65 | 1.39 | 2.78 | |
| Figueira Da Foz ITF | Round | Result | H | A | ||
| 22.07. | Knutson G. - Kaji H. | 1R | 2-6, 6-1, 6-0 | 1.45 | 2.55 | |
| Nottingham 3 ITF | Round | Result | H | A | ||
| 15.07. | Valdmannova V. - Kaji H. | 1R | 6-4, 6-0 | 2.06 | 1.68 | |
| Monastir 43 ITF | Round | Result | H | A | ||
| 09.07. | Matsuda M. - Kaji H. | 1R | 7-5, 6-4 | 1.81 | 1.90 | |
| Gifu ITF | Round | Result | H | A | ||
| 30.04. | Liang E. - Kaji H. | 1R | 5-7, 6-4, 6-3 | 1.73 | 1.96 | |
| Tokyo 6 ITF | Round | Result | H | A | ||
| 24.04. | Marino R. - Kaji H. | R16 | 6-3, 6-4 | 1.57 | 2.27 | |
| 23.04. | Kaji H. - Ma Y. | 1R | 6-2, 6-3 | 1.51 | 2.43 | |
| 22.04. | Kaji H. - You X. | Q-R16 | 6-0, 7-66 | 1.57 | 2.25 | |
| 21.04. | Kaji H. - Hosogi S. | Q-1R | 6-1, 7-67 | 1.42 | 2.62 | |
| Sharm El Sheikh 12 ITF | Round | Result | H | A | ||
| 19.04. | Iatcenko P. - Kaji H. | SF | 6-4, 6-2 | 1.75 | 1.96 | |
| 18.04. | Kaji H. - Shinikova I. | QF | 4-6, 6-3, 6-4 | 1.38 | 2.83 | |
| 17.04. | Kaji H. - Blake A. | R16 | 6-1, 6-1 | 1.25 | 3.65 | |
| 16.04. | Kaji H. - Ezzat Y. | 1R | 6-1, 6-2 | 1.11 | 5.78 | |
| Osaka ITF | Round | Result | H | A | ||
| 11.04. | Liang E. - Kaji H. | QF | 6-1, 6-2 | 1.88 | 1.82 | |
| 10.04. | Kaji H. - Zhu L. | R16 | 3-6, 6-2, 6-4 | 2.26 | 1.58 | |
| 09.04. | Kaji H. - Hosogi S. | 1R | 6-1, 6-2 | 1.70 | 2.04 | |
| Kofu ITF | Round | Result | H | A | ||
| 23.03. | Kaji H. - Sakatsume H. | F | 7-62, 6-3 | 2.56 | 1.49 | |
| 22.03. | Kaji H. - Saito S. | SF | 5-7, 6-2, 6-3 | 2.93 | 1.36 | |
| 21.03. | Kaji H. - Kuramochi M. | QF | 6-2, 6-1 | 1.53 | 2.33 | |
| 20.03. | Kaji H. - Giavara H. | R16 | 6-2, 6-2 | 1.14 | 4.85 | |
| 18.03. | Kaji H. - Yoshimoto N. | 1R | 6-4, 6-2 | 1.25 | 3.66 | |
| Gurugram ITF | Round | Result | H | A | ||
| 07.03. | Yamazaki I. - Kaji H. | QF | 6-4, 5-7, 7-5 | 4.53 | 1.17 | |
| 06.03. | Kaji H. - Park S. | R16 | 7-5, 6-1 | 1.71 | 2.44 | |
| 04.03. | Kaji H. - Rawat A. | 1R | 6-2, 6-0 | 1.03 | 9.94 | |
| Ahmedabad ITF | Round | Result | H | A | ||
| 28.02. | Chaudhari V. - Kaji H. | QF | 6-1, 7-65 | 1.91 | 1.80 | |
| 27.02. | Kaji H. - Bhamidipaty S. | R16 | 7-65, 6-4 | 1.61 | 2.20 | |
| 26.02. | Kaji H. - Adkar V. | 2R | 6-0, 6-2 | 1.28 | 3.48 | |
| Burnie ITF | Round | Result | H | A | ||
| 19.02. | Guo H. - Kaji H. | 1R | 6-1, 6-2 | 1.38 | 3.97 | |
| Brisbane 3 ITF | Round | Result | H | A | ||
| 05.02. | Inglis M. - Kaji H. | 1R | 7-5, 6-3 | 1.27 | 3.47 | |
| Brisbane 2 ITF | Round | Result | H | A | ||
| 29.01. | Liu C. - Kaji H. | 1R | 6-4, 6-0 | 1.32 | 3.12 | |
| Hobart | Round | Result | H | A | ||
| 04.01. | Zarazua R. - Kaji H. | Q-1R | 6-1, 7-65 | 1.16 | 4.99 | |
| Auckland | Round | Result | H | A | ||
| 27.12. | Stefanini L. - Kaji H. | Q-1R | 6-1, 6-3 | 1.34 | 3.16 | |
| No matches. |
| No matches. |
| Yokohama ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 30.11. | Inoue H. - Kaji H. | SF | 7-65, 6-1 | 2.01 | 1.71 | |
| 29.11. | Kaji H. - Kawaguchi N. | QF | 6-1, 6-2 | 1.21 | 3.98 | |
| 28.11. | Kaji H. - Akita S. | R16 | 6-2, 6-3 | 1.19 | 4.13 | |
| 27.11. | Kaji H. - Sato N. | 1R | 6-2, 6-4 | 1.20 | 3.93 | |
| Takasaki ITF | Round | Result | H | A | ||
| 22.11. | Nugroho P. - Kaji H. | QF | 6-2, 7-65 | |||
| 22.11. | Kaji H. - Kobori M. | R16 | 6-4, 6-1 | 1.33 | 3.05 | |
| 21.11. | Kaji H. - Jang S. | 1R | 6-3, 6-3 | 2.29 | 1.55 | |
| Austin ITF | Round | Result | H | A | ||
| 16.11. | Rapolu M. - Kaji H. | SF | 2-6, 6-4, 6-0 | 2.40 | 1.49 | |
| 15.11. | Kaji H. - Chang S. | QF | 6-1, 6-1 | 1.77 | 1.93 | |
| 14.11. | Kaji H. - Gimbrere J. | R16 | 5-7, 7-5, 6-3 | 1.36 | 2.89 | |
| 13.11. | Kaji H. - Makarova E. | 1R | 2-6, 6-1, 7-5 | 1.69 | 2.04 | |
| Tokyo | Round | Result | H | A | ||
| 19.10. | Yamaguchi M. - Kaji H. | Q-1R | 6-3, 6-3 | 2.62 | 1.46 | |
| Cairns ITF | Round | Result | H | A | ||
| 02.10. | Parnaby A. - Kaji H. | 1R | 6-3, 6-2 | 5.70 | 1.11 | |
| Nanao ITF | Round | Result | H | A | ||
| 27.09. | Okuwaki R. - Kaji H. | QF | 7-5, 6-4 | 4.37 | 1.18 | |
| 26.09. | Kaji H. - Aney J. | R16 | 4-6, 6-4, 6-2 | 1.14 | 4.90 | |
| 24.09. | Kaji H. - Saegusa N. | 1R | 6-4, 6-1 | 1.03 | 9.62 | |
| Seoul WTA | Round | Result | H | A | ||
| 14.09. | Ku Y. - Kaji H. | Q-1R | 0-6, 6-3, 6-2 | 2.26 | 1.60 | |
| Incheon ITF | Round | Result | H | A | ||
| 05.09. | Gao X. - Kaji H. | R16 | 6-1, 6-4 | 1.53 | 2.34 | |
| 03.09. | Kaji H. - Zhao C. | 1R | 6-3, 6-4 | 1.53 | 2.31 | |
| Vigo ITF | Round | Result | H | A | ||
| 21.08. | Andrianjafitrimo T. - Kaji H. | 1R | 6-3, 6-2 | 1.98 | 1.73 | |
| Ourense ITF | Round | Result | H | A | ||
| 18.08. | Charaeva A. - Kaji H. | F | 7-67, 6-1 | 2.11 | 1.64 | |
| 17.08. | Kaji H. - Helgo M. | SF | 6-1, 6-1 | 1.45 | 2.54 | |
| 16.08. | Kaji H. - Kubka M. | QF | 6-1, 6-1 | 1.68 | 2.06 | |
| 15.08. | Kaji H. - Matsuda M. | R16 | 6-3, 6-0 | 1.46 | 2.50 | |
| 14.08. | Kaji H. - Sawant M. | 1R | 6-1, 6-0 | 1.01 | 10.09 | |
| Roehampton 2 ITF | Round | Result | H | A | ||
| 11.08. | Kartal S. - Kaji H. | F | 6-3, 6-3 | 1.07 | 7.24 | |
| 10.08. | Kaji H. - Imamura S. | SF | 7-65, 6-2 | 1.64 | 2.12 | |
| 09.08. | Kaji H. - McDonald E. | QF | 4-6, 7-65, 6-0 | 2.12 | 1.64 | |
| 08.08. | Kaji H. - Saigo R. | R16 | 2-6, 6-2, 6-1 | 1.67 | 2.06 | |
| 06.08. | Kaji H. - Black B. | 1R | 7-5, 6-1 | 1.08 | 5.83 | |
| Roehampton ITF | Round | Result | H | A | ||
| 30.07. | Ku Y. - Kaji H. | 1R | 6-3, 6-2 | 2.40 | 1.50 | |
| Segovia ITF | Round | Result | H | A | ||
| 25.07. | Mansouri Y. - Kaji H. | QF | 7-5, 6-3 | 3.66 | 1.23 | |
| 24.07. | Kaji H. - Zelnickova R. | R16 | 6-4, 6-2 | 1.58 | 2.21 | |
| 23.07. | Kaji H. - Gonzalez Vilar R. | 1R | 6-1, 6-3 | 1.15 | 4.64 | |
| Hong Kong ITF | Round | Result | H | A | ||
| 06.07. | Yao X. - Kaji H. | SF | 3-6, 6-3, 6-3 | 2.01 | 1.71 | |
| 05.07. | Kaji H. - Abe H. | QF | 6-0, 6-1 | 1.26 | 3.50 | |
| 04.07. | Kaji H. - Zolotareva A. | R16 | 6-3, 6-3 | 1.74 | 1.96 | |
| 03.07. | Kaji H. - Da Silva Fick G. | 1R | 6-1, 5-7, 6-2 | 1.44 | 2.56 | |
| Daegu ITF | Round | Result | H | A | ||
| 05.06. | Chaudhari V. - Kaji H. | 1R | 6-1, 6-3 | 2.90 | 1.36 | |
| Changwon ITF | Round | Result | H | A | ||
| 31.05. | Okamura K. - Kaji H. | QF | 6-1, 6-4 | 2.58 | 1.45 | |
| 30.05. | Kaji H. - Ku Y. | R16 | 2-6, 6-3, 6-3 | 1.69 | 2.03 | |
| 28.05. | Kaji H. - Kawaguchi N. | 1R | 6-2, 6-4 | 1.15 | 4.60 | |
| Goyang ITF | Round | Result | H | A | ||
| 25.05. | Ito A. - Kaji H. | SF | 3-6, 6-3, 6-0 | 1.61 | 2.16 | |
| 24.05. | Kaji H. - Inoue H. | QF | 7-66, 6-2 | 1.94 | 1.76 | |
| 23.05. | Kaji H. - Kuramochi M. | R16 | 6-2, 4-6, 6-1 | 2.04 | 1.70 | |
| 21.05. | Kaji H. - Yuan C. | 1R | 6-3, 6-2 | 1.31 | 3.16 | |
| Kurume ITF | Round | Result | H | A | ||
| 15.05. | Yamaguchi M. - Kaji H. | 1R | 6-0, 6-4 | 2.57 | 1.43 | |
| Fukuoka ITF | Round | Result | H | A | ||
| 07.05. | Ito A. - Kaji H. | 1R | 7-5, 6-2 | 2.22 | 1.59 | |
| Gifu ITF | Round | Result | H | A | ||
| 02.05. | Hontama M. - Kaji H. | R16 | 4-6, 7-5, 6-3 | 1.23 | 3.74 | |
| 30.04. | Kaji H. - Sawangkaew M. | 1R | 6-1, 3-6, 6-3 | 2.64 | 1.40 | |
| Tokyo 6 ITF | Round | Result | H | A | ||
| 24.04. | Birrell K. - Kaji H. | 1R | 1-6, 6-3, 6-2 | 1.57 | 2.23 | |
| Osaka ITF | Round | Result | H | A | ||
| 12.04. | Aiava D. - Kaji H. | QF | 6-1, 6-4 | 1.53 | 2.34 | |
| 11.04. | Kaji H. - Shimizu A. | R16 | 62-7, 7-5, 6-4 | 1.43 | 2.57 | |
| 10.04. | Kaji H. - Shimizu E. | 1R | 7-613, 6-3 | 1.40 | 2.72 | |
| Kashiwa ITF | Round | Result | H | A | ||
| 02.04. | Hartono A. - Kaji H. | 1R | 6-4, 6-4 | 1.62 | 2.17 | |
| Kofu ITF | Round | Result | H | A | ||
| 29.03. | Harrison C. - Kaji H. | QF | 4-6, 6-4, 7-5 | 1.75 | 1.95 | |
| 28.03. | Kaji H. - Hon P. | R16 | 6-3, 6-1 | 2.48 | 1.44 | |
| 27.03. | Kaji H. - Saigo R. | 1R | 7-63, 6-2 | |||
| Solarino ITF | Round | Result | H | A | ||
| 13.03. | Szymczuch O. - Kaji H. | 1R | 6-4, 6-4 | 7.95 | 1.06 | |
| Solarino 5 ITF | Round | Result | H | A | ||
| 08.03. | Klimovicova L. - Kaji H. | QF | 6-4, 6-0 | 1.49 | 2.46 | |
| 07.03. | Kaji H. - Krajicek M. | R16 | 6-3, 6-3 | 1.48 | 2.47 | |
| 05.03. | Kaji H. - Dal S. | 1R | 6-0, 6-1 | 1.42 | 2.63 | |
| Burnie 2 ITF | Round | Result | H | A | ||
| 09.02. | Wei S. - Kaji H. | QF | 6-3, 6-4 | 1.46 | 2.52 | |
| 08.02. | Kaji H. - Hon P. | R16 | 3-6, 6-3, 6-3 | 3.62 | 1.23 | |
| 07.02. | Kaji H. - Sema E. | 1R | 6-1, 6-3 | 1.58 | 2.23 | |
| Burnie ITF | Round | Result | H | A | ||
| 31.01. | Joint M. - Kaji H. | 1R | 6-1, 7-64 | 1.30 | 3.23 | |
| Nonthaburi 12 ITF | Round | Result | H | A | ||
| 11.01. | Saito S. - Kaji H. | R16 | 7-5, 3-6, 5-0 | 1.35 | 2.91 | |
| 09.01. | Kaji H. - Naklo T. | 1R | 7-5, 6-1 | 1.84 | 1.84 | |
| Nonthaburi 10 ITF | Round | Result | H | A | ||
| 04.01. | Kovapitukted P. - Kaji H. | R16 | 6-0, 6-4 | 3.43 | 1.27 | |
| 02.01. | Kaji H. - Koike E. | 1R | 6-3, 6-0 | 1.85 | 1.83 | |
| No matches. |
| No matches. |
| Yokohama ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 30.11. | Lamens S. - Kaji H. | R16 | 7-5, 68-7, 6-1 | 1.31 | 3.12 | |
| 29.11. | Kaji H. - Tsutsumi K. | 1R | 6-0, 6-3 | 1.16 | 4.54 | |
| Takasaki 2 ITF | Round | Result | H | A | ||
| 22.11. | Ito A. - Kaji H. | 1R | 7-63, 6-2 | 2.60 | 1.43 | |
| 21.11. | Kaji H. - Saigo R. | Q-R16 | 6-3, 64-7, 6-3 | 1.42 | 2.55 | |
| 20.11. | Kaji H. - Yao X. | Q-1R | 6-0, 6-4 | 1.22 | 3.59 | |
| Takasaki ITF | Round | Result | H | A | ||
| 16.11. | Dart H. - Kaji H. | R16 | 6-4, 6-3 | 1.20 | 4.08 | |
| 14.11. | Kaji H. - Wang Y. | 1R | 6-3, 6-4 | 5.10 | 1.12 | |
| Hamamatsu ITF | Round | Result | H | A | ||
| 14.10. | Shimizu A. - Kaji H. | SF | 6-1, 6-4 | 1.84 | 1.87 | |
| 13.10. | Kaji H. - Kozaki F. | QF | 6-2, 2-6, 6-2 | 1.23 | 3.70 | |
| 12.10. | Kaji H. - Sato H. | R16 | 6-4, 6-2 | 1.17 | 4.46 | |
| 10.10. | Kaji H. - Hanatani N. | 1R | 6-3, 7-61 | 1.10 | 5.88 | |
| Makinohara ITF | Round | Result | H | A | ||
| 05.10. | Akita S. - Kaji H. | R16 | 7-67, 7-5 | 4.43 | 1.17 | |
| 04.10. | Kaji H. - Koyama H. | 1R | 6-1, 6-1 | 1.05 | 8.09 | |
| Osaka WTA | Round | Result | H | A | ||
| 10.09. | Mandlik E. - Kaji H. | Q-R16 | 6-1, 6-2 | 1.32 | 3.27 | |
| 09.09. | Kaji H. - Okamura K. | Q-1R | 6-4, 4-6, 6-2 | 1.57 | 2.25 | |
| Tokyo 5 ITF | Round | Result | H | A | ||
| 06.09. | Volodko K. - Kaji H. | R16 | 6-4, 6-2 | 2.16 | 1.62 | |
| 05.09. | Kaji H. - Yuan Y. | 1R | 4-6, 6-2, 6-3 | 4.69 | 1.15 | |
| US Open | Round | Result | H | A | ||
| 25.08. | Juvan K. - Kaji H. | Q-2R | 6-3, 4-6, 6-2 | 1.11 | 6.57 | |
| 23.08. | Kaji H. - Grammatikopoulou V. | Q-1R | 6-3, 6-3 | 2.50 | 1.51 | |
| Figueira Da Foz ITF | Round | Result | H | A | ||
| 27.07. | Korneeva A. - Kaji H. | R16 | 6-1, 6-1 | 1.18 | 4.56 | |
| 25.07. | Kaji H. - Tikhonova A. | 1R | 6-2, 0-6, 6-4 | 3.46 | 1.27 | |
| Porto 3 ITF | Round | Result | H | A | ||
| 20.07. | Shinikova I. - Kaji H. | R16 | 6-3, 6-2 | 1.73 | 2.00 | |
| 19.07. | Kaji H. - Kobori M. | 2R | 6-1, 6-3 | 1.16 | 4.58 | |
| Hong Kong ITF | Round | Result | H | A | ||
| 07.07. | Ma Y. - Kaji H. | QF | 6-2, 6-2 | 2.10 | 1.66 | |
| 06.07. | Kaji H. - Wu H. | R16 | 6-4, 0-0 | 1.23 | 3.72 | |
| 05.07. | Kaji H. - Hosoki Y. | 1R | 6-0, 6-2 | 1.06 | 7.70 | |
| Hongkong 9 ITF | Round | Result | H | A | ||
| 01.07. | Yang Y. - Kaji H. | SF | 4-6, 6-4, 6-1 | 1.73 | 1.93 | |
| 30.06. | Kaji H. - Ito A. | QF | 7-62, 3-6, 6-4 | 1.99 | 1.73 | |
| 29.06. | Kaji H. - Kobori M. | R16 | 6-2, 6-4 | 1.36 | 2.85 | |
| 28.06. | Kaji H. - Wu H. | 1R | 2-6, 6-4, 6-1 | 1.33 | 3.05 | |
| Tokyo ITF | Round | Result | H | A | ||
| 01.06. | Sema E. - Kaji H. | R16 | 6-4, 6-0 | 2.45 | 1.48 | |
| 31.05. | Kaji H. - Yamaguchi M. | 1R | 7-64, 6-0 | 1.21 | 3.44 | |
| Fukuoka ITF | Round | Result | H | A | ||
| 10.05. | Saito S. - Kaji H. | 1R | 7-5, 7-60 | 2.34 | 1.52 | |
| Gifu ITF | Round | Result | H | A | ||
| 05.05. | Sakatsume H. - Kaji H. | QF | 2-6, 6-1, 6-1 | 1.38 | 2.59 | |
| 04.05. | Kaji H. - Han N. | R16 | 6-3, 3-6, 7-65 | 4.63 | 1.16 | |
| 03.05. | Kaji H. - Okamura K. | 1R | 6-2, 6-4 | 2.26 | 1.57 | |
| Osaka ITF | Round | Result | H | A | ||
| 14.04. | Han N. - Kaji H. | QF | 6-1, 6-3 | 1.21 | 3.96 | |
| 13.04. | Kaji H. - Sema E. | R16 | 6-3, 5-7, 7-65 | 1.48 | 2.41 | |
| 11.04. | Kaji H. - Saito S. | 1R | 6-0, 6-3 | 1.79 | 1.91 | |
| Kashiwa ITF | Round | Result | H | A | ||
| 04.04. | Hibino N. - Kaji H. | 1R | 6-2, 6-3 | 1.08 | 6.69 | |
| Kofu ITF | Round | Result | H | A | ||
| 31.03. | Jang S. - Kaji H. | QF | 6-1, 6-4 | 1.15 | 4.69 | |
| 30.03. | Kaji H. - Hule P. | R16 | 6-3, 3-6, 6-3 | 2.07 | 1.66 | |
| 29.03. | Kaji H. - Kozarov K. | 1R | 7-65, 6-3 | 1.65 | 2.12 | |
| Burnie 2 ITF | Round | Result | H | A | ||
| 09.02. | Bozovic A. - Kaji H. | R16 | 6-1, 6-4 | 1.48 | 2.29 | |
| 07.02. | Kaji H. - Ma Y. | 1R | 6-2, 6-1 | 2.12 | 1.64 | |
| Hua Hin WTA | Round | Result | H | A | ||
| 28.01. | Oz I. - Kaji H. | Q-1R | 6-3, 6-0 | 1.36 | 3.05 | |
| Nonthaburi 12 ITF | Round | Result | H | A | ||
| 13.01. | Kulikova A. - Kaji H. | QF | 7-5, 7-5 | 3.34 | 1.28 | |
| 12.01. | Kaji H. - Raina A. | R16 | 7-5, 6-3 | 2.70 | 1.39 | |
| 11.01. | Kaji H. - Arakawa H. | 1R | 4-6, 7-65, 6-2 | 1.28 | 3.37 | |
| Nonthaburi 10 ITF | Round | Result | H | A | ||
| 04.01. | Li Z. - Kaji H. | 1R | 6-2, 4-6, 6-1 | 1.72 | 1.99 | |
| No matches. |
| No matches. |
| Yokohama ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 09.11. | Sato H. - Kaji H. | 1R | 6-3, 6-3 | 4.78 | 1.14 | |
| Hamamatsu ITF | Round | Result | H | A | ||
| 16.10. | Kaji H. - Yamazaki I. | F | 1-1 | 1.62 | 2.15 | |
| 15.10. | Kaji H. - Hanatani N. | SF | 1-6, 6-2, 7-5 | 1.33 | 3.05 | |
| 14.10. | Kaji H. - Lee Y. | QF | 6-2, 6-3 | 1.62 | 2.14 | |
| 13.10. | Kaji H. - Ito A. | R16 | 3-6, 6-2, 6-3 | 1.29 | 3.24 | |
| 12.10. | Kaji H. - Arakawa H. | 1R | 6-2, 6-2 | 1.27 | 3.40 | |
| Nanao ITF | Round | Result | H | A | ||
| 02.10. | Kaji H. - Kobori M. | F | 3-6, 6-3, 6-3 | 1.98 | 1.73 | |
| 01.10. | Kaji H. - Saigo R. | SF | 4-6, 6-3, 6-4 | 1.83 | 1.85 | |
| 30.09. | Kaji H. - Muramatsu C. | QF | 6-1, 1-6, 6-2 | 1.49 | 2.43 | |
| 29.09. | Kaji H. - Hozumi E. | R16 | 6-2, 4-6, 6-1 | 1.81 | 1.80 | |
| 28.09. | Kaji H. - Sawayanagi R. | 1R | 6-1, 6-4 | 1.31 | 3.28 | |
| Santarem ITF | Round | Result | H | A | ||
| 07.09. | Kruger I. - Kaji H. | 1R | 6-3, 6-0 | 1.46 | 2.54 | |
| 06.09. | Kaji H. - Sema E. | Q-R16 | 6-2, 6-4 | 1.57 | 2.21 | |
| 05.09. | Kaji H. - Sequeira M. | Q-1R | 6-2, 6-0 | 1.03 | 7.65 | |
| Roehampton 2 ITF | Round | Result | H | A | ||
| 26.08. | Garland J. - Kaji H. | QF | 6-2, 6-1 | 1.16 | 4.36 | |
| 25.08. | Kaji H. - Maloney E. | R16 | 7-5, 62-7, 6-2 | 1.46 | 2.50 | |
| 24.08. | Kaji H. - Grey S. | 1R | 6-4, 6-1 | 1.84 | 1.86 | |
| 22.08. | Kaji H. - Baharmus H. | Q-R16 | 6-3, 6-3 | 1.12 | 5.14 | |
| 21.08. | Kaji H. - Greatorex A. | Q-1R | 6-3, 6-0 | 1.06 | 6.73 | |
| Aldershot ITF | Round | Result | H | A | ||
| 20.08. | Raina A. - Kaji H. | SF | 65-7, 7-5, 6-0 | 1.37 | 2.82 | |
| 19.08. | Kaji H. - Banks A. | QF | 6-2, 6-2 | 2.44 | 1.50 | |
| 18.08. | Kaji H. - Marcinkevica D. | R16 | 7-5, 6-3 | 2.22 | 1.59 | |
| 16.08. | Kaji H. - Davis F. | 1R | 6-0, 6-2 | 1.03 | 8.76 | |
| Foxhills ITF | Round | Result | H | A | ||
| 03.08. | Stefanini L. - Kaji H. | R16 | 6-4, 7-5 | 1.14 | 4.82 | |
| 02.08. | Kaji H. - Shaikh H. | 1R | 6-3, 6-4 | 1.72 | 2.00 | |
| Nottingham 4 ITF | Round | Result | H | A | ||
| 27.07. | Banks A. - Kaji H. | R16 | 7-5, 7-5 | 1.54 | 2.30 | |
| 26.07. | Kaji H. - Bhosale R. | 1R | 6-4, 6-4 | 2.11 | 1.64 | |
| Figueira Da Foz ITF | Round | Result | H | A | ||
| 20.07. | Jorge F. - Kaji H. | 1R | 6-3, 6-1 | 1.27 | 3.44 | |
| Roehampton ITF | Round | Result | H | A | ||
| 12.07. | Dudeney A. - Kaji H. | 1R | 6-3, 6-2 | 1.75 | 1.97 | |
| Chiang Rai 6 ITF | Round | Result | H | A | ||
| 07.06. | Thandi K. - Kaji H. | 1R | 6-4, 4-6, 6-1 | 1.26 | 3.48 | |
| Chiang Rai 5 ITF | Round | Result | H | A | ||
| 02.06. | Gao X. - Kaji H. | R16 | 6-3, 6-1 | 1.50 | 2.42 | |
| 01.06. | Kaji H. - Poplavska A. | 1R | 6-4, 6-1 | 1.11 | 5.53 | |
| Chiang Rai 2 ITF | Round | Result | H | A | ||
| 12.04. | Timofeeva M. - Kaji H. | 1R | 7-5, 3-6, 6-2 | 1.28 | 3.19 | |
| Chiang Rai ITF | Round | Result | H | A | ||
| 06.04. | Muramatsu C. - Kaji H. | 1R | 6-4, 6-3 | 1.27 | 3.40 | |
| No matches. |
| No matches. |
| Redding ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 07.10. | Ma C. - Kaji H. | 1R | 6-1, 6-1 | 1.96 | 1.76 | |
| Berkeley ITF | Round | Result | H | A | ||
| 30.09. | Duval V. - Kaji H. | 1R | 6-2, 6-1 | 1.16 | 4.67 | |
| 28.09. | Kaji H. - Kinard T. | Q-R16 | 2-6, 6-4, 10-6 | 1.56 | 2.22 | |
| Fort Worth ITF | Round | Result | H | A | ||
| 21.09. | Navarro E. - Kaji H. | 1R | 6-3, 6-0 | 1.36 | 2.88 | |
| Vigo ITF | Round | Result | H | A | ||
| 26.08. | Lee Y. - Kaji H. | R16 | 6-2, 6-4 | 1.58 | 2.22 | |
| 25.08. | Kaji H. - Yashina E. | 1R | 6-1, 6-3 | 1.63 | 2.15 | |
| Ourense ITF | Round | Result | H | A | ||
| 18.08. | Perrin C. - Kaji H. | 1R | 7-65, 6-0 | 1.59 | 2.13 | |
| Les Contamines ITF | Round | Result | H | A | ||
| 23.07. | Jeanjean L. - Kaji H. | QF | 7-65, 6-2 | 1.31 | 3.15 | |
| 22.07. | Kaji H. - Gadecki O. | R16 | 6-4, 2-6, 6-4 | 3.98 | 1.21 | |
| 20.07. | Kaji H. - Scholl C. | 1R | 6-4, 1-0 | 1.33 | 3.05 | |
| Vitoria-Gasteiz ITF | Round | Result | H | A | ||
| 13.07. | Hontama M. - Kaji H. | 1R | 6-2, 6-0 | 1.21 | 3.96 | |
| Lisbon ITF | Round | Result | H | A | ||
| 09.07. | Gadecki O. - Kaji H. | QF | 6-2, 6-3 | 1.29 | 3.28 | |
| 07.07. | Kaji H. - Zakharova A. | R16 | 7-5, 6-3 | 3.13 | 1.31 | |
| 05.07. | Kaji H. - Arakawa H. | 1R | 6-2, 6-3 | 1.65 | 2.11 | |
| Palma del Rio ITF | Round | Result | H | A | ||
| 30.06. | Gatto-Monticone G. - Kaji H. | 1R | 6-3, 6-3 | 1.21 | 3.93 | |
| No matches. |
| No matches. |
| Yokohama ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 07.03. | Miyazaki Y. - Kaji H. | SF | 4-6, 6-4, 6-1 | 1.53 | 2.33 | |
| 06.03. | Kaji H. - Akita S. | QF | 4-6, 7-60, 6-0 | 2.50 | 1.46 | |
| 05.03. | Kaji H. - Uchijima M. | R16 | 6-4, 6-2 | 1.93 | 1.79 | |
| 04.03. | Kaji H. - Xun F. | 1R | 6-2, 3-6, 7-5 | 4.10 | 1.20 | |
| Hong Kong 2 ITF | Round | Result | H | A | ||
| 09.01. | Xun F. - Kaji H. | R16 | 3-6, 6-2, 6-2 | 1.34 | 2.92 | |
| 08.01. | Kaji H. - Inoue M. | 1R | 6-4, 6-1 | 1.52 | 2.33 | |
| Hong Kong ITF | Round | Result | H | A | ||
| 01.01. | Gorgodze E. - Kaji H. | 1R | 7-65, 6-3 | 1.34 | 2.89 | |
| Yokohama ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 05.03. | Sakat / Ushij - Kaji / Namig | QF | 6-3, 4-6, 10-5 | |||
| 03.03. | Kaji / Namig - Kobor / Shimi | R16 | 6-1, 6-4 | 1.40 | 2.70 | |
| Hong Kong ITF | Round | Result | H | A | ||
| 31.12. | Ng K. / Zheng - Kaji / Kuwat | R16 | 6-3, 6-3 | 2.31 | 1.51 | |
| No matches. |
| Tokyo 3 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 13.11. | Morita A. - Kaji H. | 1R | 6-1, 6-2 | 1.63 | 2.12 | |
| Suzhou ITF | Round | Result | H | A | ||
| 14.10. | Lu J. - Kaji H. | Q-1R | 6-2, 6-2 | 3.00 | 1.32 | |
| Tianjin WTA | Round | Result | H | A | ||
| 05.10. | Rodionova A. - Kaji H. | Q-1R | 3-6, 6-1, 6-2 | 1.36 | 2.88 | |
| Brisbane ITF | Round | Result | H | A | ||
| 01.10. | Ozaki R. - Kaji H. | 1R | 4-6, 7-64, 6-4 | 1.67 | 2.05 | |
| Nanao ITF | Round | Result | H | A | ||
| 29.08. | Lee Y. - Kaji H. | R16 | 6-2, 3-6, 6-4 | |||
| 29.08. | Kaji H. - Zhao C. | 1R | 6-4, 1-6, 6-4 | 1.89 | 1.79 | |
| Tsukuba ITF | Round | Result | H | A | ||
| 25.08. | Omae A. - Kaji H. | F | 0-6, 7-65, 6-3 | 1.57 | 2.21 | |
| 24.08. | Kaji H. - Kobori M. | SF | 0-6, 7-65, 6-2 | 2.60 | 1.42 | |
| 23.08. | Kaji H. - Sato N. | QF | 6-2, 6-3 | 1.81 | 1.87 | |
| 22.08. | Kaji H. - Sato H. | R16 | 6-3, 6-2 | 1.30 | 3.13 | |
| 21.08. | Kaji H. - Kinard T. | 1R | 6-4, 6-4 | 1.47 | 2.50 | |
| Taipei 2 ITF | Round | Result | H | A | ||
| 01.08. | Rioux L. - Kaji H. | R16 | 6-4, 6-1 | 2.55 | 1.43 | |
| 31.07. | Kaji H. - Hayashi E. | 1R | 6-4, 6-2 | 1.68 | 2.04 | |
| Granby ITF | Round | Result | H | A | ||
| 24.07. | Sebov K. - Kaji H. | 1R | 7-5, 6-3 | 1.27 | 3.39 | |
| Gatineau ITF | Round | Result | H | A | ||
| 18.07. | Fernandez L. - Kaji H. | 1R | 6-3, 6-1 | 1.24 | 3.53 | |
| Saskatoon ITF | Round | Result | H | A | ||
| 13.07. | Inglis M. - Kaji H. | SF | 3-6, 7-67, 6-2 | 1.18 | 4.24 | |
| 12.07. | Kaji H. - Westby M. | QF | 6-3, 6-4 | 1.27 | 3.34 | |
| 11.07. | Kaji H. - Arseneault A. | R16 | 6-3, 6-1 | 1.11 | 5.19 | |
| 09.07. | Kaji H. - Riley A. | 1R | 6-1, 6-2 | 1.05 | 7.99 | |
| Jakarta ITF | Round | Result | H | A | ||
| 19.06. | Nefedova A. - Kaji H. | 1R | 6-3, 7-5 | 2.84 | 1.38 | |
| Nonthaburi 2 ITF | Round | Result | H | A | ||
| 28.05. | Yuan Y. - Kaji H. | 1R | 6-0, 6-1 | 1.54 | 2.26 | |
| Nonthaburi ITF | Round | Result | H | A | ||
| 24.05. | Plipuech P. - Kaji H. | QF | 2-6, 6-0, 6-3 | 1.82 | 1.85 | |
| 23.05. | Kaji H. - Momkoonthod T. | R16 | 4-6, 6-2, 6-4 | 1.18 | 4.09 | |
| 22.05. | Kaji H. - Da Silva Fick G. | 1R | 7-5, 1-6, 6-4 | 1.36 | 2.84 | |
| Kurume ITF | Round | Result | H | A | ||
| 15.05. | Watson H. - Kaji H. | 1R | 5-7, 6-2, 6-0 | 1.15 | 4.75 | |
| Fukuoka ITF | Round | Result | H | A | ||
| 07.05. | Ayukawa M. - Kaji H. | 1R | 6-4, 3-6, 6-2 | 2.58 | 1.43 | |
| Gifu ITF | Round | Result | H | A | ||
| 01.05. | Hibi M. - Kaji H. | 1R | 7-63, 6-1 | 1.15 | 4.67 | |
| 29.04. | Kaji H. - You X. | Q-R16 | 6-4, 7-64 | |||
| 29.04. | Kaji H. - Tjandramulia O. | Q-1R | 6-4, 6-1 | 1.63 | 2.08 | |
| Hongkong 8 ITF | Round | Result | H | A | ||
| 11.04. | Sutjiadi A. - Kaji H. | R16 | 7-61, 7-65 | 2.21 | 1.57 | |
| 10.04. | Kaji H. - Chong E. | 1R | 6-3, 3-6, 6-4 | 1.66 | 2.05 | |
| Kashiwa ITF | Round | Result | H | A | ||
| 05.04. | Snigur D. - Kaji H. | QF | 6-4, 6-1 | 1.63 | 2.09 | |
| 04.04. | Kaji H. - Akita S. | R16 | 6-4, 3-2 | 1.70 | 1.99 | |
| 02.04. | Kaji H. - Lee Y. | 1R | 6-3, 6-1 | 2.27 | 1.55 | |
| Shenzhen 3 ITF | Round | Result | H | A | ||
| 13.03. | Khazaniuk D. - Kaji H. | 1R | 6-3, 7-5 | 1.41 | 2.54 | |
| Yokohama 2 ITF | Round | Result | H | A | ||
| 04.03. | Sakatsume H. - Kaji H. | Q-1R | 3-6, 7-65, 10-6 | |||
| Osaka ITF | Round | Result | H | A | ||
| 26.02. | Anderson R. - Kaji H. | 1R | 6-2, 6-4 | 1.22 | 3.83 | |
| Jodhpur ITF | Round | Result | H | A | ||
| 31.01. | Al Nabhani F. - Kaji H. | R16 | 6-1, 6-2 | 2.05 | 1.69 | |
| 30.01. | Kaji H. - Meliss V. | 1R | 6-3, 6-4 | 1.35 | 2.95 | |
| Hong Kong 2 ITF | Round | Result | H | A | ||
| 08.01. | Kobori M. - Kaji H. | 1R | 6-3, 6-0 | 1.64 | 2.09 | |
| Hong Kong ITF | Round | Result | H | A | ||
| 03.01. | Stefkova B. - Kaji H. | R16 | 6-1, 6-1 | 1.36 | 2.88 | |
| 02.01. | Kaji H. - Lu J. | 1R | 7-5, 7-5 | 3.22 | 1.30 | |
| No matches. |
| Suzhou ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 18.10. | Kalinina A. - Kaji H. | R16 | 6-1, 6-0 | 1.06 | 7.50 | |
| 17.10. | Kaji H. - Glushko J. | 1R | 3-6, 6-4, 6-3 | 3.55 | 1.25 | |
| 16.10. | Cepelova J. - Kaji H. | Q-QF | 6-2, 64-7, 6-3 | 1.20 | 4.07 | |
| 15.10. | Kaji H. - Yuan Y. | Q-R16 | 7-66, 4-6, 6-2 | 1.83 | 1.82 | |
| 14.10. | Kaji H. - Ye Q. | Q-1R | 6-3, 7-64 | 1.40 | 2.75 | |
| Toowoomba ITF | Round | Result | H | A | ||
| 11.10. | Tere-Apisah A. - Kaji H. | R16 | 7-5, 6-3 | 1.65 | 2.08 | |
| 09.10. | Kaji H. - Minokoshi M. | 1R | 1-6, 6-4, 6-3 | 1.61 | 2.17 | |
| Brisbane ITF | Round | Result | H | A | ||
| 04.10. | Birrell K. - Kaji H. | R16 | 6-2, 2-6, 7-65 | 1.30 | 3.20 | |
| 02.10. | Kaji H. - Minokoshi M. | 1R | 6-3, 2-6, 6-1 | 1.60 | 2.22 | |
| Darwin ITF | Round | Result | H | A | ||
| 28.09. | Bains N. - Kaji H. | QF | 65-7, 6-1, 7-65 | 1.64 | 2.11 | |
| 27.09. | Kaji H. - Lee Y. | R16 | 6-3, 6-3 | 3.14 | 1.32 | |
| 26.09. | Kaji H. - Mcphee K. | 1R | 6-1, 6-1 | 2.46 | 1.48 | |
| Tokyo | Round | Result | H | A | ||
| 15.09. | Doi M. - Kaji H. | Q-1R | 6-0, 6-2 | 1.07 | 7.94 | |
| Nanao ITF | Round | Result | H | A | ||
| 01.09. | Omae A. - Kaji H. | QF | 7-64, 6-3 | 1.88 | 1.81 | |
| 30.08. | Kaji H. - Muramatsu C. | R16 | 6-1, 6-2 | 1.79 | 1.88 | |
| 29.08. | Kaji H. - Takahata K. | 1R | 7-65, 6-2 | 1.11 | 5.34 | |
| Tsukuba ITF | Round | Result | H | A | ||
| 21.08. | Minokoshi M. - Kaji H. | 1R | 6-3, 6-2 | 1.74 | 1.98 | |
| Guiyang ITF | Round | Result | H | A | ||
| 16.08. | Wang M. - Kaji H. | R16 | 6-1, 6-4 | 1.90 | 1.78 | |
| 14.08. | Kaji H. - Guo H. | 1R | 65-7, 7-5, 6-1 | 1.73 | 1.97 | |
| Jinan ITF | Round | Result | H | A | ||
| 08.08. | Zhang Y. - Kaji H. | 1R | 6-0, 6-4 | 1.53 | 2.34 | |
| Granby ITF | Round | Result | H | A | ||
| 23.07. | Rodionova A. - Kaji H. | 1R | 6-4, 7-64 | 1.26 | 3.52 | |
| Gatineau ITF | Round | Result | H | A | ||
| 19.07. | Glushko J. - Kaji H. | R16 | 6-2, 7-63 | 1.12 | 5.20 | |
| 17.07. | Kaji H. - Arseneault A. | 1R | 6-1, 6-3 | 1.04 | 8.82 | |
| Honolulu ITF | Round | Result | H | A | ||
| 11.07. | Hanatani N. - Kaji H. | 1R | 6-4, 6-1 | 4.02 | 1.20 | |
| Daegu ITF | Round | Result | H | A | ||
| 21.06. | Kim N. - Kaji H. | R16 | 6-4, 3-6, 6-4 | 1.95 | 1.74 | |
| 20.06. | Kaji H. - Morisaki K. | 1R | 7-5, 6-3 | 1.26 | 3.51 | |
| Singapore 2 ITF | Round | Result | H | A | ||
| 15.06. | Ozaki R. - Kaji H. | SF | 2-6, 6-0, 6-4 | 1.42 | 2.64 | |
| 14.06. | Kaji H. - Kuwata H. | QF | 6-3, 6-4 | 1.97 | 1.75 | |
| 13.06. | Kaji H. - Kolar N. | R16 | 3-6, 6-3, 6-4 | 1.54 | 2.34 | |
| 12.06. | Kaji H. - Hanatani N. | 1R | 6-0, 6-4 | 1.36 | 2.91 | |
| Singapore ITF | Round | Result | H | A | ||
| 08.06. | Jovic J. - Kaji H. | SF | 6-3, 6-0 | 1.73 | 1.98 | |
| 07.06. | Kaji H. - Heise P. | QF | 6-1, 6-4 | 2.06 | 1.67 | |
| 06.06. | Kaji H. - Tanaka Y. | R16 | 64-7, 6-4, 6-1 | 1.37 | 2.85 | |
| 05.06. | Kaji H. - Omae A. | 1R | 5-7, 5-0 | 1.84 | 1.84 | |
| Kurume ITF | Round | Result | H | A | ||
| 18.05. | Lykina K. - Kaji H. | QF | 2-6, 6-3, 6-4 | 1.21 | 3.85 | |
| 17.05. | Kaji H. - Jorovic I. | R16 | 2-0 | 6.15 | 1.09 | |
| 16.05. | Kaji H. - Hondo S. | 1R | 6-3, 6-3 | 1.23 | 3.49 | |
| Fukuoka ITF | Round | Result | H | A | ||
| 08.05. | Patterson T. - Kaji H. | 1R | 7-64, 6-3 | 1.99 | 1.71 | |
| Gifu ITF | Round | Result | H | A | ||
| 01.05. | Zhang L. - Kaji H. | 1R | 6-2, 6-4 | 1.99 | 1.63 | |
| Quanzhou ITF | Round | Result | H | A | ||
| 25.04. | Han X. - Kaji H. | R16 | 6-4, 3-6, 6-3 | 1.27 | 3.47 | |
| 23.04. | Kaji H. - Xun F. | 1R | 6-3, 6-0 | 2.91 | 1.34 | |
| Osaka ITF | Round | Result | H | A | ||
| 12.04. | Namigata J. - Kaji H. | R16 | 65-7, 6-3, 6-4 | 1.39 | 2.81 | |
| 10.04. | Kaji H. - Ikeda R. | 1R | 6-3, 6-3 | 1.01 | 11.16 | |
| Kashiwa ITF | Round | Result | H | A | ||
| 02.04. | Silich A. - Kaji H. | Q-R16 | 6-2, 7-5 | 2.99 | 1.35 | |
| 01.04. | Kaji H. - Kajuru A. | Q-1R | 6-4, 6-0 | |||
| Kofu ITF | Round | Result | H | A | ||
| 27.03. | Liu F. - Kaji H. | 1R | 6-3, 6-2 | 1.20 | 4.09 | |
| Toyota 2 ITF | Round | Result | H | A | ||
| 13.03. | Radanovic D. - Kaji H. | 1R | 6-3, 7-5 | 1.64 | 2.11 | |
| Yokohama ITF | Round | Result | H | A | ||
| 07.03. | Kudermetova V. - Kaji H. | 1R | 6-3, 6-2 | 1.31 | 3.26 | |
| Hong Kong ITF | Round | Result | H | A | ||
| 03.01. | Ng K. - Kaji H. | R16 | 6-2, 6-3 | 7.94 | 1.04 | |
| 02.01. | Kaji H. - Sun L. | 1R | 7-5, 6-3 | 1.26 | 3.15 | |
| No matches. |
| No matches. |
| Jakarta 3 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 13.10. | Gumulya B. - Kaji H. | QF | 7-64, 66-7, 6-4 | 2.07 | 1.65 | |
| 12.10. | Kaji H. - Easwaramurthi A. | R16 | 6-2, 6-0 | 1.07 | 6.37 | |
| 11.10. | Kaji H. - Fisch J. | 1R | 5-4 | 1.01 | 12.25 | |
| Iizuka ITF | Round | Result | H | A | ||
| 30.09. | Sawayanagi R. - Kaji H. | R16 | 6-2, 6-3 | 1.10 | 5.69 | |
| 27.09. | Kaji H. - Kijima M. | 1R | 6-3, 65-7, 6-3 | 3.07 | 1.33 | |
| 26.09. | Kaji H. - Takayama C. | Q-R16 | 6-3, 3-6, 6-2 | 1.39 | 2.72 | |
| 24.09. | Kaji H. - Koori M. | Q-1R | 6-2, 6-0 | |||
| Kao-siung 2 ITF | Round | Result | H | A | ||
| 23.06. | Cho I. - Kaji H. | R16 | 3-6, 6-4, 6-3 | 2.12 | 1.62 | |
| 21.06. | Kaji H. - Fujioka N. | 1R | 6-4, 1-0 | 1.42 | 2.57 | |
| Kaohsiung ITF | Round | Result | H | A | ||
| 15.06. | Minokoshi M. - Kaji H. | 1R | 6-4, 6-3 | 1.26 | 3.19 | |
| Tokyo ITF | Round | Result | H | A | ||
| 05.06. | Kawasaki M. - Kaji H. | Q-1R | 6-3, 62-7, 6-4 | |||
| Gifu ITF | Round | Result | H | A | ||
| 01.05. | Miyamoto A. - Kaji H. | Q-1R | 6-1, 6-1 | 1.53 | 2.37 | |
| Kofu ITF | Round | Result | H | A | ||
| 26.03. | Raaholdt A. - Kaji H. | Q-1R | 6-1, 6-0 | |||
| Nishi-Tama ITF | Round | Result | H | A | ||
| 23.03. | Saigo Y. - Kaji H. | 1R | 6-4, 6-3 | 2.08 | 1.60 | |
| Nanjing 4 ITF | Round | Result | H | A | ||
| 14.03. | Yang Y. - Kaji H. | Q-R16 | 6-2, 7-65 | 4.41 | 1.16 | |
| 13.03. | Kaji H. - Yuan Y. | Q-2R | 6-1, 6-4 | 1.00 | 26.00 | |
| Nanjing 3 ITF | Round | Result | H | A | ||
| 05.03. | Kong L. - Kaji H. | Q-1R | 6-4, 7-65 | |||
| Jakarta 3 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 14.10. | Chien / Dokei - Kaji / Saigo | QF | 4-6, 7-5, 10-7 | 4.41 | 1.16 | |
| Kao-siung 2 ITF | Round | Result | H | A | ||
| 23.06. | Cho I / Lee H - Hayas / Kaji | QF | 6-3, 6-4 | 3.17 | 1.31 | |
| 22.06. | Hayas / Kaji - Fujio / Yoshi | R16 | 6-2, 6-4 | 1.27 | 3.41 | |
| Kaohsiung ITF | Round | Result | H | A | ||
| 18.06. | Hayas / Kaji - Chen / Wu F. | F | 6-4, 3-6, 10-7 | 1.50 | 2.38 | |
| 17.06. | Hayas / Kaji - Gumul / Rompi | SF | 6-4, 0-6, 11-9 | 2.73 | 1.39 | |
| 16.06. | Hayas / Kaji - Lertc / Lertp | QF | 3-2 | 3.09 | 1.31 | |
| 15.06. | Hayas / Kaji - Miyah / Ogata | R16 | 6-3, 6-1 | 1.40 | 2.66 | |
| Tokyo ITF | Round | Result | H | A | ||
| 07.06. | Fujiw / Ushij - Kaji / Lertc | R16 | 6-0, 6-3 | 2.24 | 1.55 | |
| Nishi-Tama ITF | Round | Result | H | A | ||
| 23.03. | Santo / Tanak - Kaji / Saigo | R16 | 6-3, 5-7, 10-6 | 6.55 | 1.08 | |
| Nanjing 4 ITF | Round | Result | H | A | ||
| 16.03. | Bekke / Maroz - Bavis / Kaji | QF | 6-1, 6-1 | 1.46 | 2.40 | |
| 14.03. | Bavis / Kaji - Li Y. / Wu M. | R16 | 6-4, 7-5 | 1.11 | 5.75 | |
| No matches. |
| Hong Kong 7 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 23.12. | Laine E. - Kaji H. | R16 | 6-1, 6-1 | 1.27 | 3.16 | |
| 22.12. | Kaji H. - Scandalis Z. | 1R | 1-6, 6-3, 6-4 | 1.42 | 2.51 | |
| Hong Kong 6 ITF | Round | Result | H | A | ||
| 19.12. | Kaji H. - Kinard T. | F | 6-1, 3-6, 2-2 | 3.38 | 1.26 | |
| 18.12. | Kaji H. - Ayukawa M. | SF | 5-2 | 2.81 | 1.38 | |
| 17.12. | Kaji H. - Zhuravleva A. | QF | 6-4, 4-6, 6-2 | 1.63 | 2.09 | |
| 16.12. | Kaji H. - Wang Y. | R16 | 6-3, 2-1 | 2.01 | 1.65 | |
| 15.12. | Kaji H. - Yu Y. | 1R | 6-3, 6-3 | 1.63 | 2.15 | |
| 13.12. | Kaji H. - Hasegawa M. | Q-R16 | 7-5, 2-6, 7-5 | |||
| 12.12. | Kaji H. - Look A. | Q-1R | 6-1, 6-0 | |||
| Tokyo 3 ITF | Round | Result | H | A | ||
| 14.11. | Choi J. - Kaji H. | Q-1R | 6-1, 7-5 | 1.22 | 4.00 | |
| Jakarta 3 ITF | Round | Result | H | A | ||
| 01.10. | Ewijk C. - Kaji H. | QF | 7-5, 7-5 | |||
| 30.09. | Kaji H. - Hasegawa R. | R16 | 6-3, 7-5 | |||
| 29.09. | Kaji H. - Wu H. | 1R | 3-6, 6-2, 7-66 | |||
| Solo ITF | Round | Result | H | A | ||
| 24.09. | Tatachar Venugopal D. - Kaji H. | R16 | 6-1, 6-2 | 1.55 | 2.20 | |
| 23.09. | Kaji H. - Wardhani M. | 1R | 6-0, 6-1 | 1.02 | 9.47 | |
| Kaohsiung ITF | Round | Result | H | A | ||
| 26.06. | Hsu C. - Kaji H. | QF | 6-3, 6-4 | 1.19 | 4.10 | |
| 25.06. | Kaji H. - Ng M. | R16 | 6-3, 6-0 | 1.20 | 3.87 | |
| 24.06. | Kaji H. - Koshino Y. | 1R | 6-4, 3-2 | 2.21 | 1.55 | |
| Nishi-Tama ITF | Round | Result | H | A | ||
| 24.03. | Hanatani N. - Kaji H. | 1R | 6-3, 6-2 | 2.43 | 1.47 | |
| Kofu ITF | Round | Result | H | A | ||
| 16.03. | Inoue A. - Kaji H. | 1R | 6-2, 6-1 | 1.55 | 2.23 | |
| No matches. |
| Hamamatsu ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 22.10. | Mekovec I. - Kaji H. | 1R | 6-3, 6-1 | 1.17 | 4.47 | |
| 20.10. | Kaji H. - Mori Y. | Q-R16 | 6-3, 3-6, 6-2 | 1.51 | 2.36 | |
| 19.10. | Kaji H. - Yokota N. | Q-2R | 6-2, 7-5 | |||
| 18.10. | Kaji H. - Miyahara M. | Q-1R | 6-1, 6-3 | |||
| Tokyo WTA | Round | Result | H | A | ||
| 04.10. | Chan L. - Kaji H. | Q-1R | 6-3, 6-1 | 1.03 | 10.99 | |
| Yeongwol ITF | Round | Result | H | A | ||
| 27.08. | Zhang Y. - Kaji H. | 1R | 6-0, 6-3 | 1.22 | 4.00 | |
| Gimcheon 4 ITF | Round | Result | H | A | ||
| 05.07. | Han N. - Kaji H. | SF | 6-0, 7-65 | 1.21 | 3.88 | |
| 04.07. | Kaji H. - Kang S. | QF | 6-4, 6-2 | 2.00 | 1.71 | |
| 03.07. | Kaji H. - Lee S. | R16 | 6-3, 6-3 | 1.57 | 2.25 | |
| 02.07. | Kaji H. - Kang J. | 1R | 3-6, 6-0, 6-1 | 1.40 | 2.75 | |
| Gimcheon 3 ITF | Round | Result | H | A | ||
| 27.06. | Lee Y. - Kaji H. | QF | 6-1, 6-3 | 1.11 | 6.00 | |
| 26.06. | Kaji H. - Ninomiya M. | R16 | 6-2, 6-4 | 3.50 | 1.28 | |
| 24.06. | Kaji H. - Jeong Y. | 1R | 6-2, 6-4 | 1.57 | 2.25 | |
| Tokyo ITF | Round | Result | H | A | ||
| 04.06. | Omae A. - Kaji H. | 1R | 6-4, 6-2 | 1.25 | 3.53 | |
| Incheon ITF | Round | Result | H | A | ||
| 03.05. | Celik S. - Kaji H. | Q-1R | 6-2, 6-1 | |||
| Gifu ITF | Round | Result | H | A | ||
| 27.04. | Namigata J. - Kaji H. | Q-R16 | 6-4, 6-2 | 1.14 | 5.00 | |
| 26.04. | Kaji H. - Ukai Y. | Q-1R | 6-2, 6-2 | |||
| Shenzhen 4 ITF | Round | Result | H | A | ||
| 25.03. | Liu F. - Kaji H. | 1R | 7-5, 6-2 | 1.12 | 5.50 | |
| Shenzhen 3 ITF | Round | Result | H | A | ||
| 20.03. | Chan C. - Kaji H. | R16 | 6-1, 6-0 | 1.11 | 5.50 | |
| 18.03. | Kaji H. - Sun X. | 1R | 6-2, 6-1 | 1.50 | 2.50 | |
| 17.03. | Kaji H. - Yu Y. | Q-R16 | 6-0, 6-2 | |||
| 16.03. | Kaji H. - Yu L. | Q-2R | 6-2, 6-1 | |||
| Shenzhen 2 ITF | Round | Result | H | A | ||
| 10.03. | Chen J. - Kaji H. | Q-R16 | 6-2, 6-3 | |||
| 09.03. | Kaji H. - Lu J. | Q-2R | 6-2, 6-1 | |||
| Port Pirie ITF | Round | Result | H | A | ||
| 23.02. | Hourigan P. - Kaji H. | Q-2R | 7-5, 6-1 | |||
| Hamamatsu ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 20.10. | Hibin / Saway - Higuc / Kaji | R16 | 6-2, 6-2 | |||
| Yeongwol ITF | Round | Result | H | A | ||
| 26.08. | Hong / Kang - Kaji / Kim S | R16 | 6-4, 6-2 | |||
| Gimcheon 4 ITF | Round | Result | H | A | ||
| 04.07. | Han N / Yoo M - Fujio / Kaji | QF | 6-1, 6-2 | 1.16 | 4.42 | |
| 01.07. | Fujio / Kaji - Kim H / Kim S | R16 | 7-65, 4-6, 10-4 | 2.75 | 1.40 | |
| Gimcheon 3 ITF | Round | Result | H | A | ||
| 26.06. | Kim S / Lee Y - Chong / Kaji | QF | 6-1, 6-1 | 1.25 | 3.75 | |
| 25.06. | Chong / Kaji - Back / Choi | R16 | 6-4, 6-2 | 1.25 | 3.75 | |
| Shenzhen 4 ITF | Round | Result | H | A | ||
| 27.03. | Gai A / Wang - Kaji / Zhang | SF | 7-5, 6-4 | 1.36 | 3.00 | |
| 26.03. | Kaji / Zhang - Chong / Zhang | QF | 6-2, 6-3 | 1.83 | 1.83 | |
| 25.03. | Kaji / Zhang - Tian / Xin Y | R16 | 7-64, 6-3 | 2.10 | 1.66 | |
| Shenzhen 3 ITF | Round | Result | H | A | ||
| 19.03. | Liu F / Wang - Kaji / Zhang | R16 | 7-67, 6-2 | |||
| Port Pirie ITF | Round | Result | H | A | ||
| 25.02. | Colli / Mladi - Kaji / Ogata | R16 | 6-2, 4-6, 10-6 | 1.83 | 1.83 | |
| No matches. |
| Bangkok 7 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 03.07. | Tongs / Virat - Kaji / Nunom | SF | 5-7, 6-1, 10-6 | |||
| 02.07. | Kaji / Nunom - Inoue / Wongt | QF | 6-3, 6-1 | |||
| 01.07. | Kaji / Nunom - Thong / Watan | R16 | 6-1, 6-4 | |||
| Gimcheon 4 ITF | Round | Result | H | A | ||
| 27.06. | Choi / Saway - Kaji / Song | QF | 6-3, 7-65 | |||
| 25.06. | Kaji / Song - Byun / Kim S | R16 | 6-4, 3-6, 10-5 | |||
| Nishi-Tama ITF | Round | Result | H | A | ||
| 27.03. | Han N / Kang - Kaji / Kitag | R16 | 7-66, 63-7, 10-8 | |||
| No matches. |
| No matches. |
| Makinohara ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 16.10. | Okada / Takao - Kaji / Sasak | R16 | 6-2, 7-5 | |||
| No matches. |
- Injuries
| Start | Tournament | Reason |
|---|---|---|
| 11.01.2024 - 31.01.2024 | Nonthaburi 12 ITF | retired |
This week's tournaments
| Main tournaments | ||||
| Paris | 8 | |||
| Masters Cup WTA | 24 | |||
| Chennai WTA | 8 | |||
| Hong Kong WTA | 6 | |||
| Jiujiang | 6 | |||
| Lower level tournaments | ||||
| Bratislava challenger | 6 | |||
| Seoul challenger | 6 | |||
| Charlottesville challenger | 5 | |||
| Lima challenger | 7 | |||
| Monastir challenger | 6 | |||
| UTR Pro Tennis Series 3 | 248 | |||
| UTR Pro Tennis Series 5 | 61 | |||
| Cali | 5 | |||
| Irapuato ITF | 12 | |||
| Glasgow 2 ITF | 6 | |||
| Toronto ITF | 5 | |||
| Brisbane 4 ITF | 8 | |||
| Istanbul ITF | 6 | |||
| Loule ITF | 8 | |||
| Makinohara ITF | 5 | |||
| Neuquén ITF | 7 | |||
| Villeneuve d'Ascq ITF | 5 | |||
| UTR Pro Tennis Series 5 | 40 | |||
| Bol 15 ITF | 4 | |||
| Malta ITF | 6 | |||
| Monastir 5 ITF | 6 | |||
| Sharm El Sheikh 19 ITF | 6 | |||
| Solarino 3 ITF | 6 | |||
| Sumter 2 ITF | 6 | |||
| Taby ITF | 6 | |||
| Tashkent 4 ITF | 6 | |||
| UTR Pro Match Series | 120 | |||
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