Ku - Back
11.06.2017, Gimcheon 3 ITF, Qualification - 1. round, hard
| Ku Yeon Woo | 2 : 0 (6-1, 6-2) |
Back Dayeon | ||
|---|---|---|---|---|
 |
205. | Singles ranking | 343. |  |
| 15. 3. 2003 | Birthdate | 24. 1. 2002 | ||
| - | Height | - | ||
| - | Weight | - | ||
| right | Plays | right | ||
| - | Turned pro | - | ||
| Surface | Ku Yeon Woo | Back Dayeon |
|---|---|---|
| Indoors | 0/1 | 5/3 |
| Clay | - | - |
| Grass | - | - |
| Hard | 3/6 | 4/4 |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 223/123 | 24/12 | 175/95 | 20/9 | 2/2 | 2/5 |
| 2026 | 3/7 | - | 3/6 | 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: | 214/100 | 8/5 | 188/88 | 8/4 | - | 10/3 |
| 2026 | 14/7 | - | 4/4 | 5/3 | - | 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
| Tokyo 6 ITF, 1R, 22.04.2026 | ||
| Kaji - Ku | 2:0 | |
| Miyazaki ITF, QF, 17.04.2026 | ||
| Kinoshita - Ku | 2:1 | |
| Miyazaki ITF, R16, 16.04.2026 | ||
| Ku - Deng | 2:0 | |
| Miyazaki ITF, 1R, 15.04.2026 | ||
| Ku - Ichioka | 2:0 | |
| Luan ITF, 1R, 01.04.2026 | ||
| Preston - Ku | 2:0 | |
| Kofu ITF, 1R, 18.03.2026 | ||
| Saito - Ku | 2:0 | |
| Kyoto 2 ITF, 1R, 11.03.2026 | ||
| Kinoshita - Ku | 2:0 | |
| Australian Open, Q-1R, 12.01.2026 | ||
| Ferro - Ku | 2:0 | |
| Auckland, Q-R16, 04.01.2026 | ||
| Quevedo - Ku | 2:1 | |
| Auckland, Q-1R, 03.01.2026 | ||
| Ku - Charaeva | 2:0 | |
- Back
| Singapore 7 ITF, F, 26.04.2026 | ||
| Matsuda - Back | 2:0 | |
| Singapore 7 ITF, SF, 25.04.2026 | ||
| Back - Sun | 2:0 | |
| Singapore 7 ITF, QF, 24.04.2026 | ||
| Back - Kim | 2:0 | |
| Singapore 7 ITF, R16, 23.04.2026 | ||
| Back - Delaunay | 2:0 | |
| Singapore 7 ITF, 1R, 22.04.2026 | ||
| Back - Kim | 2:1 | |
| Billie Jean King Cup, 11.04.2026 | ||
| Back - Raina | 2:0 | |
| Billie Jean King Cup, 10.04.2026 | ||
| Back - Nugroho | 2:1 | |
| Billie Jean King Cup, 09.04.2026 | ||
| Back - Ivanov | 2:0 | |
| Billie Jean King Cup, 08.04.2026 | ||
| Back - Chanta | 2:0 | |
| Billie Jean King Cup, 07.04.2026 | ||
| Back - Aldarkhishig | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| Madrid | 16 | |||
| Aix en Provence challenger | 12 | |||
| Cagliari challenger | 12 | |||
| Madrid WTA | 8 | |||
| Lower level tournaments | ||||
| Mauthausen challenger | 16 | |||
| Jiujiang challenger | 21 | |||
| Abidjan 2 challenger | 22 | |||
| Ostrava challenger | 21 | |||
| Shymkent 2 challenger | 20 | |||
| UTR Pro Tennis Series 3 | 13 | |||
| UTR Pro Tennis Series 5 | 5 | |||
| UTR Pro Tennis Series 9 | 3 | |||
| Huzhou | 19 | |||
| La Bisbal | 13 | |||
| Bonita Springs ITF | 22 | |||
| Gifu ITF | 16 | |||
| Saint-Malo WTA | 17 | |||
| Wiesbaden ITF | 25 | |||
| Lopota ITF | 20 | |||
| Boca Raton ITF | 16 | |||
| Goyang ITF | 24 | |||
| Nottingham 6 ITF | 24 | |||
| Santa Margherita Di Pula 5 ITF | 4 | |||
| UTR Pro Tennis Series 5 | 13 | |||
| Hurghada 3 ITF | 25 | |||
| Nakhon Pathom ITF | 24 | |||
| Pretoria 6 ITF | 2 | |||
| UTR Pro Match Series | 14 | |||
- Player's profile
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- Head-to-head
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