Yeon Woo Ku leads 4 to 0 over 4 singles meetings since 2025. Last meeting on 25/09/2025 at W100 Incheon.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 25/09/2025 | W100 Incheon | Round 2 | hard | Ku | 2-6 3-6 |
| 02/09/2025 | W35 Nakhon Pathom | Round 1 | hard | Ku | 6-0 6-4 |
| 15/07/2025 | W35 Monastir | Round 1 | hard | Ku | 3-6 4-6 |
| 24/06/2025 | W35 Taipei | Round 1 | hard | Ku | 6-3 6-3 |
| hard | Matsuda 0 - 4 Ku |
| 2025 | Matsuda 0 - 4 Ku |
169 wins, 109 losses since 2021 (60.8%).
Last matches: D V V D V
200 wins, 114 losses since 2021 (63.7%).
Last matches: D D V D V
Yeon Woo Ku leads 4 to 0 over 4 singles meetings since 2025.
On 25/09/2025, at W100 Incheon (Round 2): Yeon Woo Ku won 2-6 3-6.