Ku - Back
11.06.2017, Gimcheon 3 ITF, Qualification - 1. round, hard
| Ku Yeon Woo | 2 : 0 (6-1, 6-2) |
Back Dayeon | ||
|---|---|---|---|---|
 |
165. | Singles ranking | 261. |  |
| 15. 3. 2003 | Birthdate | 24. 1. 2002 | ||
| - | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Surface | Ku Yeon Woo | Back Dayeon |
|---|---|---|
| Indoors | 1/2 | 6/4 |
| Clay | 0/2 | 6/5 |
| Grass | 0/1 | - |
| Hard | 23/18 | 28/10 |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 244/139 | 24/14 | 195/107 | 21/10 | 2/3 | 2/5 |
| 2026 | 24/23 | 0/2 | 23/18 | 1/2 | 0/1 | - |
| 2025 | 63/22 | - | 61/20 | - | 2/2 | - |
| 2024 | 40/27 | 4/1 | 33/23 | 1/2 | - | 2/1 |
| 2023 | 30/23 | 5/2 | 20/16 | 5/1 | - | 0/4 |
| 2022 | 21/17 | 2/2 | 14/12 | 5/3 | - | - |
| 2021 | 52/19 | 13/7 | 30/10 | 9/2 | - | - |
| 2019 | 9/4 | - | 9/4 | - | - | - |
| 2018 | 1/1 | - | 1/1 | - | - | - |
| 2017 | 4/3 | - | 4/3 | - | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 245/112 | 14/10 | 212/94 | 9/5 | - | 10/3 |
| 2026 | 45/19 | 6/5 | 28/10 | 6/4 | - | 5/0 |
| 2025 | 48/26 | - | 45/24 | - | - | 3/2 |
| 2024 | 54/20 | 3/1 | 51/18 | - | - | 0/1 |
| 2023 | 44/15 | - | 42/15 | - | - | 2/0 |
| 2022 | 19/11 | - | 19/11 | - | - | - |
| 2021 | 7/8 | 5/4 | 2/4 | - | - | - |
| 2019 | 18/7 | - | 18/7 | - | - | - |
| 2018 | 6/3 | - | 3/2 | 3/1 | - | - |
| 2017 | 4/3 | - | 4/3 | - | - | - |
Head-to-head: 2 - 1
| Year | Tournament | Match | S | Surface | 1 | 2 | 3 | 4 | 5 | Round |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Monastir 45 ITF | Back | 2 | 0 | 6 | 6 | SF | |||
| Ku | 1 | 6 | 3 | 3 | ||||||
| 2025 | Taipei 2 ITF | Ku | 2 | 7 | 6 | SF | ||||
| Back | 0 | 64 | 1 | |||||||
| 2017 | Gimcheon 3 ITF | Ku | 2 | 6 | 6 | Q-1R | ||||
| Back | 0 | 1 | 2 |
Betting odds
Latest matches
- Ku
| Austin ITF, QF, 22.10.2026 | ||
| Tikhonova - Ku | 2:1 | |
| Austin ITF, R16, 21.10.2026 | ||
| Ku - Collins | 2:0 | |
| Austin ITF, 1R, 20.10.2026 | ||
| Ku - Rus | 2:1 | |
| Edmond ITF, QF, 17.10.2026 | ||
| Zarazua - Ku | 2:0 | |
| Edmond ITF, R16, 16.10.2026 | ||
| Ku - Rus | 2:1 | |
| Edmond ITF, 1R, 14.10.2026 | ||
| Ku - Epps | 2:0 | |
| Asian Games, R16, 29.09.2026 | ||
| Uchijima - Ku | 2:1 | |
| Asian Games, 1R, 27.09.2026 | ||
| Ku - Tursunova | 2:0 | |
| Seoul WTA, R16, 24.09.2026 | ||
| Ruse - Ku | 2:1 | |
| Seoul WTA, 1R, 22.09.2026 | ||
| Ku - Ibragimova | 2:0 | |
- Back
| Asian Games, R16, 29.09.2026 | ||
| Sakatsume - Back | 2:0 | |
| Asian Games, 1R, 27.09.2026 | ||
| Back - Gurung | 2:0 | |
| Seoul WTA, R16, 23.09.2026 | ||
| Joint - Back | 2:0 | |
| Seoul WTA, 1R, 21.09.2026 | ||
| Back - Yuan | 2:1 | |
| Guiyang ITF, 1R, 09.09.2026 | ||
| Morvayova - Back | 2:0 | |
| Tianjin 5 ITF, 1R, 01.09.2026 | ||
| Yamaguchi - Back | 2:0 | |
| Hamburg 4 ITF, R16, 13.08.2026 | ||
| Vladson - Back | 2:0 | |
| Hamburg 4 ITF, 1R, 12.08.2026 | ||
| Back - Vasilescu | 2:0 | |
| Leipzig ITF, 1R, 05.08.2026 | ||
| Paštiková - Back | 2:0 | |
| Hechingen ITF, 1R, 29.07.2026 | ||
| Yao - Back | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| Vienna | 25 | |||
| Basel | 24 | |||
| Tokyo | 19 | |||
| Guangzhou | 20 | |||
| Lower level tournaments | ||||
| Seoul challenger | 20 | |||
| Sioux Falls challenger | 25 | |||
| Brest challenger | 22 | |||
| Guayaquil challenger | 25 | |||
| Ningbo challenger | 24 | |||
| UTR Pro Tennis Series 3 | 24 | |||
| UTR Pro Tennis Series 5 | 5 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Courmayeur WTA | 16 | |||
| Curitiba | 16 | |||
| Queretaro | 20 | |||
| New Braunfels ITF | 16 | |||
| Glasgow 2 ITF | 8 | |||
| Poitiers ITF | 8 | |||
| Toronto ITF | 8 | |||
| Istanbul ITF | 8 | |||
| Morelia ITF | 7 | |||
| Kunshan ITF | 13 | |||
| La Marsa ITF | 16 | |||
| Norman ITF | 16 | |||
| Sydney 4 ITF | 18 | |||
| UTR Pro Tennis Series 5 | 4 | |||
| UTR Pro Tennis Series 9 | 9 | |||
| Essen ITF | 18 | |||
| Monastir 56 ITF | 8 | |||
| Neuquén ITF | 8 | |||
| Sharm El Sheikh 19 ITF | 16 | |||
| Singapore 5 ITF | 5 | |||
| Sumter 2 ITF | 16 | |||
| Taby ITF | 16 | |||
| UTR Pro Match Series | 23 | |||
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