Yeon Woo Ku leads 3 to 1 over 4 singles meetings since 2023. Last meeting on 23/09/2025 at W100 Incheon.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 23/09/2025 | W100 Incheon | Round 1 | hard | Ku | 3-6 1-6 |
| 30/05/2025 | W15 Daegu | Quarter-final | hard | Kim | 5-7 3-6 |
| 27/05/2024 | W35 Changwon | Qualifiers | hard | Ku | 1-6 7-6(5) 10-4 |
| 23/05/2023 | W25 Goyang | Round 1 | hard | Ku | 3-6 6-2 4-6 |
| hard | Kim 1 - 3 Ku |
| 2025 | Kim 1 - 1 Ku |
| 2024 | Kim 0 - 1 Ku |
| 2023 | Kim 0 - 1 Ku |
84 wins, 55 losses since 2021 (60.4%).
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 3 to 1 over 4 singles meetings since 2023.
On 23/09/2025, at W100 Incheon (Round 1): Yeon Woo Ku won 3-6 1-6.