Yeon Woo Ku leads 5 to 1 over 6 singles meetings since 2024. Last meeting on 06/09/2025 at W35 Nakhon Pathom.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 06/09/2025 | W35 Nakhon Pathom | Semi-final | hard | Ku | 6-2 6-4 |
| 19/07/2025 | W35 Monastir | Semi-final | hard | Ku | 6-3 6-1 |
| 22/06/2025 | W35 Taipei | Final | hard | Ku | 6-1 6-4 |
| 14/05/2025 | W35 Changwon | Round 1 | hard | Ku | 1-6 0-6 |
| 03/04/2025 | W15 Kashiwa | Round 2 | hard | Ku | 6-1 6-1 |
| 01/08/2024 | W35 Roehampton | Round 2 | hard | Saigo | 6-2 2-6 4-6 |
| hard | Ku 5 - 1 Saigo |
| 2025 | Ku 5 - 0 Saigo |
| 2024 | Ku 0 - 1 Saigo |
200 wins, 114 losses since 2021 (63.7%).
Last matches: D D V D V
191 wins, 148 losses since 2021 (56.3%).
Last matches: D D V V V
Yeon Woo Ku leads 5 to 1 over 6 singles meetings since 2024.
On 06/09/2025, at W35 Nakhon Pathom (Semi-final): Yeon Woo Ku won 6-2 6-4.