Ku - Back
11.06.2017, Gimcheon 3 ITF, Qualification - 1. round, hard
| Ku Yeon Woo | 2 : 0 (6-1, 6-2) |
Back Dayeon | ||
|---|---|---|---|---|
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176. | Singles ranking | 270. | ![]() |
| 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 | 6/5 |
| Grass | 0/1 | - |
| Hard | 17/13 | 27/7 |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 237/133 | 24/14 | 189/102 | 20/9 | 2/3 | 2/5 |
| 2026 | 17/17 | 0/2 | 17/13 | 0/1 | 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: | 243/108 | 14/10 | 211/91 | 8/4 | - | 10/3 |
| 2026 | 43/15 | 6/5 | 27/7 | 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
| Landisville 2 ITF, R16, 08.08.2026 | ||
| Hontama - Ku | 2:1 | |
| Landisville 2 ITF, 1R, 05.08.2026 | ||
| Ku - Rogers | 2:0 | |
| Vancouver WTA, 1R, 29.07.2026 | ||
| Dong - Ku | 2:1 | |
| Evansville ITF, F, 26.07.2026 | ||
| Dolehide - Ku | 2:0 | |
| Evansville ITF, SF, 25.07.2026 | ||
| Ku - Stefanini | 2:0 | |
| Evansville ITF, QF, 24.07.2026 | ||
| Ku - Stoiana | 2:1 | |
| Evansville ITF, R16, 23.07.2026 | ||
| Ku - Vidmanova | 2:1 | |
| Evansville ITF, 1R, 22.07.2026 | ||
| Ku - Goto | 2:0 | |
| Granby ITF, 1R, 14.07.2026 | ||
| Kuramochi - Ku | 2:1 | |
| Wimbledon, Q-1R, 23.06.2026 | ||
| Kostovic - Ku | 2:0 | |
- Back
| 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 | |
| Horb ITF, F, 26.07.2026 | ||
| Nilsson - Back | 2:0 | |
| Horb ITF, SF, 25.07.2026 | ||
| Back - Glushkova | 1:0 | |
| Horb ITF, QF, 24.07.2026 | ||
| Back - Ebeling Koning | 2:0 | |
| Horb ITF, R16, 23.07.2026 | ||
| Back - Hageman | 2:0 | |
| Horb ITF, 1R, 22.07.2026 | ||
| Back - Simion | 2:0 | |
| Darmstadt ITF, R16, 16.07.2026 | ||
| Herrero Linana - Back | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| Cincinnati | 8 | |||
| Cincinnati WTA | 4 | |||
| Lower level tournaments | ||||
| Cancun challenger | 12 | |||
| Quebec City challenger | 2 | |||
| Kingston challenger | 5 | |||
| Prague 2 challenger | 4 | |||
| Roehampton challenger | 5 | |||
| Sion challenger | 3 | |||
| UTR Pro Tennis Series | 1 | |||
| UTR Pro Tennis Series 3 | 31 | |||
| UTR Pro Tennis Series 5 | 10 | |||
| UTR Pro Tennis Series 9 | 12 | |||
| Kursumlijska Banja 15 ITF | 6 | |||
| Prague 4 ITF | 4 | |||
| Bistrita ITF | 6 | |||
| Erwitte ITF | 6 | |||
| Kraków ITF | 4 | |||
| Verbier ITF | 5 | |||
| UTR Pro Tennis Series 5 | 19 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Campos Do Jordao ITF | 6 | |||
| Logrono ITF | 5 | |||
| Tianjin 3 ITF | 6 | |||
| Wanfercee-Baulet ITF | 6 | |||
| UTR Pro Match Series | 16 | |||
| UTR Pro Tennis Series | 4 | |||
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