
WTA #174 · South Korea · 23 years
| Season | Type | Rank | Titles | W-L | Hard | Clay | Grass |
|---|---|---|---|---|---|---|---|
| 2026 | Singles | 175 | 1 | 19-20 | 19-17 | 0-2 | 0-1 |
| 2026 | Doubles | 694 | 0 | 2-2 | 2-2 | - | - |
| 2025 | Singles | 192 | 4 | 59-22 | 57-20 | - | 2-2 |
| 2025 | Doubles | 396 | 3 | 23-10 | 23-10 | - | - |
| 2024 | Singles | 427 | 0 | 27-22 | 21-20 | 4-1 | - |
| 2024 | Doubles | 629 | 0 | 10-14 | 6-13 | 3-1 | - |
| 2023 | Singles | 529 | 0 | 14-21 | 12-15 | 2-2 | - |
| 2023 | Doubles | 466 | 1 | 12-10 | 11-10 | - | - |
| 2022 | Singles | 462 | 0 | 16-17 | 14-15 | 2-2 | - |
| 2022 | Doubles | 532 | 0 | 12-8 | 11-6 | 1-2 | - |
| 2021 | Singles | 589 | 2 | 36-17 | 24-9 | 11-7 | 1-1 |
| 2021 | Doubles | 540 | 3 | 22-9 | 8-6 | 14-3 | - |
| 2020 | Singles | 1008 | 0 | 0-1 | 0-1 | - | - |
| 2020 | Doubles | - | 0 | 0-1 | 0-1 | - | - |
| 2019 | Singles | 972 | 0 | 0-1 | 0-1 | - | - |
| 2019 | Doubles | - | 0 | 0-1 | 0-1 | - | - |
Yeonwoo Ku (from South Korea, aged 23).