Ku - Back
11.06.2017, Gimcheon 3 ITF, Qualification - 1. round, hard
| Ku Yeon Woo | 2 : 0 (6-1, 6-2) |
Back Dayeon | ||
|---|---|---|---|---|
 |
204. | Singles ranking | 311. |  |
| 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 | 0/2 | - |
| Grass | - | - |
| Hard | 3/7 | 16/6 |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 223/126 | 24/14 | 175/96 | 20/9 | 2/2 | 2/5 |
| 2026 | 3/10 | 0/2 | 3/7 | 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: | 226/102 | 8/5 | 200/90 | 8/4 | - | 10/3 |
| 2026 | 26/9 | - | 16/6 | 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
| French Open, Q-1R, 19.05.2026 | ||
| Pliskova - Ku | 2:1 | |
| Trnava 6 ITF, 1R, 11.05.2026 | ||
| Liu - Ku | 2:0 | |
| Gifu ITF, 1R, 28.04.2026 | ||
| Inglis - Ku | 2:1 | |
| 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 | |
- Back
| Changwon 2 ITF, 1R, 20.05.2026 | ||
| Back - Im | 2:0 | |
| Andong ITF, F, 17.05.2026 | ||
| Back - Jeong | 2:1 | |
| Andong ITF, SF, 16.05.2026 | ||
| Back - Lansere | 2:0 | |
| Andong ITF, QF, 15.05.2026 | ||
| Back - Naito | 2:0 | |
| Andong ITF, R16, 14.05.2026 | ||
| Back - Im | 2:0 | |
| Andong ITF, 1R, 13.05.2026 | ||
| Back - Zhu | 2:0 | |
| Changwon ITF, SF, 09.05.2026 | ||
| Chang - Back | 2:0 | |
| Changwon ITF, QF, 08.05.2026 | ||
| Back - Naito | 2:1 | |
| Changwon ITF, R16, 07.05.2026 | ||
| Back - Lee | 2:0 | |
| Changwon ITF, 1R, 06.05.2026 | ||
| Back - Matsuda | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| French Open | 55 | |||
| Hamburg | 3 | |||
| Geneva | 3 | |||
| French Open | 56 | |||
| Strasbourg | 3 | |||
| Rabat | 2 | |||
| Lower level tournaments | ||||
| Istanbul 4 challenger | 6 | |||
| Bangalore 3 challenger | 4 | |||
| Cervia challenger | 4 | |||
| UTR Pro Tennis Series | 9 | |||
| UTR Pro Tennis Series 3 | 55 | |||
| UTR Pro Tennis Series 5 | 20 | |||
| UTR Pro Tennis Series 9 | 10 | |||
| Takasaki ITF | 16 | |||
| Kosice ITF | 3 | |||
| Pelham ITF | 5 | |||
| Portoroz 2 ITF | 6 | |||
| Bol 2 ITF | 6 | |||
| Changwon 2 ITF | 10 | |||
| Estepona ITF | 5 | |||
| Klagenfurt ITF | 3 | |||
| Wuning ITF | 6 | |||
| UTR Pro Tennis Series 5 | 18 | |||
| Gaborone 2 ITF | 6 | |||
| Grado ITF | 6 | |||
| Hurghada 6 ITF | 4 | |||
| Kayseri ITF | 15 | |||
| Kursumlijska Banja 2 ITF | 6 | |||
| Monastir 36 ITF | 6 | |||
| Toyama 2 ITF | 10 | |||
| Tsaghkadzor ITF | 8 | |||
| UTR Pro Match Series | 49 | |||
| UTR Pro Tennis Series | 1 | |||
- Player's profile
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- Head-to-head
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|---|---|
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| Li A. - Zhang S. | 3-0 |
