Ku - Back
11.06.2017, Gimcheon 3 ITF, Qualification - 1. round, hard
| Ku Yeon Woo | 2 : 0 (6-1, 6-2) |
Back Dayeon | ||
|---|---|---|---|---|
 |
185. | Singles ranking | 264. |  |
| 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 | 0/1 | - |
| Hard | 12/9 | 27/7 |
| Not set | - | - |
| Year | Summary | Clay | Hard | Indoors | Grass | Not set |
|---|---|---|---|---|---|---|
| Summary: | 232/129 | 24/14 | 184/98 | 20/9 | 2/3 | 2/5 |
| 2026 | 12/13 | 0/2 | 12/9 | 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: | 237/103 | 8/5 | 211/91 | 8/4 | - | 10/3 |
| 2026 | 37/10 | - | 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
| Wimbledon, Q-1R, 23.06.2026 | ||
| Kostovic - Ku | 2:0 | |
| Figueira Da Foz, SF, 20.06.2026 | ||
| Vidmanova - Ku | 2:0 | |
| Figueira Da Foz, QF, 19.06.2026 | ||
| Ku - Kubka | 2:1 | |
| Figueira Da Foz, R16, 17.06.2026 | ||
| Ku - Hruncakova | 2:0 | |
| Figueira Da Foz, 1R, 16.06.2026 | ||
| Ku - Stefanini | 2:0 | |
| Guimaraes ITF, R16, 11.06.2026 | ||
| Broadus - Ku | 2:0 | |
| Guimaraes ITF, 1R, 10.06.2026 | ||
| Ku - Laundes | 2:0 | |
| Montemor-O-Novo ITF, F, 07.06.2026 | ||
| Ku - Jorge | 2:1 | |
| Montemor-O-Novo ITF, SF, 06.06.2026 | ||
| Ku - Kulikova | 2:0 | |
| Montemor-O-Novo ITF, QF, 05.06.2026 | ||
| Ku - Martinez Vaquero | 2:0 | |
- Back
| Taipei 3 ITF, QF, 26.06.2026 | ||
| Nugroho - Back | 2:0 | |
| Taipei 3 ITF, R16, 25.06.2026 | ||
| Back - Naklo | 2:0 | |
| Taipei 3 ITF, 1R, 24.06.2026 | ||
| Back - Yoshioka | 2:0 | |
| Taipei 2 ITF, F, 21.06.2026 | ||
| Back - Kaji | 2:0 | |
| Taipei 2 ITF, SF, 20.06.2026 | ||
| Back - Abe | 2:0 | |
| Taipei 2 ITF, QF, 19.06.2026 | ||
| Back - Sato | 2:0 | |
| Taipei 2 ITF, R16, 18.06.2026 | ||
| Back - Chanta | 2:0 | |
| Taipei 2 ITF, 1R, 16.06.2026 | ||
| Back - Tsai | 2:0 | |
| Changwon 2 ITF, F, 24.05.2026 | ||
| Back - Lee | 2:0 | |
| Changwon 2 ITF, SF, 23.05.2026 | ||
| Back - Lu | 2:0 | |
This week's tournaments
| Main tournaments | ||||
| Wimbledon | 12 | |||
| Wimbledon | 14 | |||
| Lower level tournaments | ||||
| Newport challenger | 24 | |||
| Braunschweig challenger | 24 | |||
| Iasi challenger | 25 | |||
| Bogotá 5 challenger | 24 | |||
| Trieste challenger | 21 | |||
| Liege challenger | 23 | |||
| Nottingham 3 challenger | 26 | |||
| UTR Pro Tennis Series 3 | 49 | |||
| UTR Pro Tennis Series 5 | 22 | |||
| UTR Pro Tennis Series 9 | 4 | |||
| Newport Beach WTA | 23 | |||
| Bastad WTA | 23 | |||
| Contrexeville WTA | 14 | |||
| Aschaffenburg ITF | 14 | |||
| Haag 2 ITF | 8 | |||
| Columbus ITF | 11 | |||
| Corroios-Seixal ITF | 7 | |||
| Buzau ITF | 19 | |||
| Don Benito ITF | 7 | |||
| Hillcrest 2 ITF | 3 | |||
| UTR Pro Tennis Series 5 | 12 | |||
| UTR Pro Tennis Series 9 | 4 | |||
| Astana 14 ITF | 8 | |||
| Kursumlijska Banja 9 ITF | 6 | |||
| Luan 2 ITF | 14 | |||
| Monastir 43 ITF | 16 | |||
| Rancho Santa Fe ITF | 16 | |||
| Rio Claro ITF | 16 | |||
| UTR Pro Match Series | 19 | |||
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