Kyung Yee Chae defeated Da Jung Hong 6-0 6-3 in the Seoul 10K round of 32 on hard. The result followed the form book — Kyung Yee Chae came in leading the head-to-head 2–0. Kyung Yee Chae extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-22 | Hamanako 25K | R32 | carpet | Kyung Yee Chae | 6-1 6-1 |
| 2000-06-12 | Seoul 10K | R32 | hard | Kyung Yee Chae | 6-4 6-4 |