Koga Ai - profile
Koga AiCountry: Japan Age: 34 (3. 10. 1991) Current/Highest rank - singles: - / 782. Sex: woman Plays: right |
- Next match
| Tournament | Round | Start | Match | H | A |
|---|---|---|---|---|---|
| No upcoming matches. | |||||
- Tournaments results
Player's record
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Taipei 6 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 23.10. | Wu H. - Koga A. | 1R | 6-4, 1-6, 6-1 | |||
| Makinohara ITF | Round | Result | H | A | ||
| 13.10. | Sasaki H. - Koga A. | Q-1R | ||||
| Kyoto ITF | Round | Result | H | A | ||
| 12.09. | Hasegawa R. - Koga A. | R16 | 3-6, 6-3, 7-64 | |||
| 11.09. | Koga A. - Kinoshita M. | 1R | 6-0, 4-6, 6-3 | |||
| Miyazaki ITF | Round | Result | H | A | ||
| 15.03. | Miyazaki Y. - Koga A. | QF | 7-5, 5-7, 7-5 | |||
| 14.03. | Koga A. - Araki S. | R16 | 7-5, 6-2 | |||
| 13.03. | Koga A. - Juan T. | 1R | 6-2, 6-2 | |||
| 12.03. | Koga A. - Yokota N. | Q-R16 | 6-0, 4-6, 6-3 | |||
| No matches. |
| No matches. |
| Toyota ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 19.11. | Tezuka R. - Koga A. | Q-1R | 6-3, 7-63 | |||
| Hamanako ITF | Round | Result | H | A | ||
| 23.10. | Shimizu S. - Koga A. | Q-1R | 6-0, 6-2 | |||
| Makinohara ITF | Round | Result | H | A | ||
| 17.10. | Mutaguchi E. - Koga A. | Q-R16 | 3-6, 7-5, 7-68 | |||
| 16.10. | Koga A. - Suzuki R. | Q-1R | 6-0, 6-0 | |||
| Mie ITF | Round | Result | H | A | ||
| 31.05. | Nakano Y. - Koga A. | 1R | 6-4, 6-1 | |||
| Karuizawa ITF | Round | Result | H | A | ||
| 17.05. | Hisami K. - Koga A. | 1R | 6-4, 6-2 | |||
| 16.05. | Koga A. - Miyazaki Y. | Q-R16 | 6-2, 6-2 | |||
| 15.05. | Koga A. - Mori M. | Q-1R | 6-2, 6-0 | |||
| Miyazaki ITF | Round | Result | H | A | ||
| 15.03. | Imanishi M. - Koga A. | 1R | 6-1, 6-0 | |||
| 14.03. | Koga A. - Nishi S. | Q-R16 | 6-0, 6-1 | |||
| No matches. |
| No matches. |
| Gimcheon 5 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 23.12. | Kim S. - Koga A. | QF | 6-3, 5-7, 6-3 | |||
| 22.12. | Koga A. - Kim J. | R16 | 7-5, 7-6 | |||
| 21.12. | Koga A. - Hong S. | 1R | 6-3, 7-6 | |||
| Toyota ITF | Round | Result | H | A | ||
| 21.11. | Oka A. - Koga A. | Q-R16 | 6-0, 6-0 | |||
| 20.11. | Koga A. - Yamazaki C. | Q-1R | 7-5, 7-64 | |||
| Hyogo ITF | Round | Result | H | A | ||
| 16.11. | Eguchi M. - Koga A. | 1R | 6-4, 6-1 | |||
| Hamanako ITF | Round | Result | H | A | ||
| 27.09. | Yamasoto A. - Koga A. | Q-R16 | 6-3, 6-3 | |||
| 26.09. | Koga A. - Kitazaki E. | Q-1R | 6-1, 6-2 | |||
| Makinohara ITF | Round | Result | H | A | ||
| 21.09. | Iijima K. - Koga A. | 1R | 6-0, 6-4 | |||
| 20.09. | Koga A. - Zhong Y. | Q-R16 | 6-2, 6-3 | |||
| 19.09. | Koga A. - Watanabe H. | Q-1R | 7-5, 6-1 | |||
| Kyoto ITF | Round | Result | H | A | ||
| 12.09. | Omae A. - Koga A. | Q-1R | 6-4, 6-4 | |||
| Kusatsu ITF | Round | Result | H | A | ||
| 22.05. | Inoue M. - Koga A. | Q-1R | 6-1, 6-2 | |||
| Karuizawa ITF | Round | Result | H | A | ||
| 17.05. | Yamasoto A. - Koga A. | Q-R16 | 6-2, 6-0 | |||
| 16.05. | Koga A. - Gaverova M. | Q-1R | 6-4, 7-5 | |||
| Mie ITF | Round | Result | H | A | ||
| 19.04. | Ito E. - Koga A. | Q-R16 | 4-6, 7-64, 6-2 | |||
| 18.04. | Koga A. - Noi Y. | Q-1R | 6-3, 7-67 | |||
| No matches. |
| No matches. |
| Toyota ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 21.11. | Onishi K. - Koga A. | Q-1R | 7-64, 3-6, 6-1 | |||
| Hyogo ITF | Round | Result | H | A | ||
| 17.11. | Kozawa M. - Koga A. | 1R | 6-4, 6-3 | |||
| Makinohara ITF | Round | Result | H | A | ||
| 20.09. | Takao E. - Koga A. | Q-1R | 6-0, 6-1 | |||
| Kyoto ITF | Round | Result | H | A | ||
| 15.09. | Wannasuk N. - Koga A. | 1R | 6-1, 6-1 | |||
| 14.09. | Koga A. - Kuroda Y. | Q-R16 | 64-7, 6-2, 6-4 | |||
| 13.09. | Koga A. - Higuchi Y. | Q-1R | 7-62, 7-5 | |||
| Noto ITF | Round | Result | H | A | ||
| 05.09. | Karikomi S. - Koga A. | Q-1R | 6-3, 6-4 | |||
| Gunma ITF | Round | Result | H | A | ||
| 25.05. | Aoyama S. - Koga A. | Q-R16 | 7-5, 7-5 | |||
| 24.05. | Koga A. - Koshino Y. | Q-1R | 6-3, 6-1 | |||
| Nagano ITF | Round | Result | H | A | ||
| 18.05. | Onishi K. - Koga A. | Q-R16 | 6-4, 6-2 | |||
| 17.05. | Koga A. - Ogi C. | Q-1R | 7-61, 6-2 | |||
| No matches. |
| No matches. |
| Kyoto ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 16.09. | Arai M. - Koga A. | 1R | 6-1, 6-1 | |||
| 14.09. | Koga A. - Sekine K. | Q-R16 | 6-3, 6-1 | |||
| 13.09. | Koga A. - Nakano A. | Q-1R | 6-3, 6-1 | |||
| Noto ITF | Round | Result | H | A | ||
| 11.09. | Curtis J. - Koga A. | QF | 6-3, 6-3 | |||
| 10.09. | Koga A. - Hwang I. | R16 | 6-4, 6-4 | |||
| 09.09. | Koga A. - Zhang L. | 1R | 7-66, 6-3 | |||
| 08.09. | Koga A. - Ito C. | Q-R16 | 6-0, 6-2 | |||
| 07.09. | Koga A. - Sato A. | Q-2R | 6-3, 6-2 | |||
| Nagano ITF | Round | Result | H | A | ||
| 19.05. | Du Plessis L. - Koga A. | Q-R16 | 6-2, 6-2 | |||
| 18.05. | Koga A. - Inoue M. | Q-1R | 7-5, 6-2 | |||
| No matches. |
| No matches. |
- Injuries
| Start | Tournament | Reason |
|---|---|---|
| 13.10.2012 - 23.10.2012 | Makinohara ITF | walkover |
| 06.06.2012 - 24.07.2012 | Taipei 2 ITF | retired |
| 25.03.2012 - 08.04.2012 | Nishi-Tama ITF | walkover |
| 16.02.2012 - 12.03.2012 | Portimao ITF | retired |
This week's tournaments
| Main tournaments | ||||
| Athens | 17 | |||
| Metz | 17 | |||
| Masters Cup WTA | 16 | |||
| Lower level tournaments | ||||
| Helsinki challenger | 24 | |||
| Taipei challenger | 23 | |||
| Lima 3 challenger | 25 | |||
| Matsuyama challenger | 20 | |||
| Knoxville challenger | 25 | |||
| UTR Pro Tennis Series 3 | 253 | |||
| UTR Pro Tennis Series 5 | 60 | |||
| UTR Pro Tennis Series 9 | 67 | |||
| UTR Pro Tennis Series 5 | 34 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| UTR Pro Match Series | 121 | |||
- Player's profile
- Tournament search
- Head-to-head
- Interesting matches
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| Sabalenka A. - Pegula J. | 8-3 |
| Pegula J. - Paolini J. | 5-1 |
| Swiatek I. - Rybakina E. | 6-5 |
| Sabalenka A. - Gauff C. | 5-6 |
| Cacao T. - Gil F. | 3-5 |
| Kicker N. - Mena F. | 4-3 |


