Young Ja Choi defeated Eun Ha Kim 6-7 6-3 7-6 in the Hangzhou 25K round of 16 on hard. The upset overturned the form book — Eun Ha Kim came in leading the head-to-head 3–1. Young Ja Choi narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-23 | Seoul 50K | SF | hard | Eun Ha Kim | 6-3 6-3 |
| 1999-04-26 | Gifu 50K | R32 | carpet | Eun Ha Kim | 6-1 4-6 6-2 |
| 1997-09-08 | Seoul II 50K | R32 | hard | Young Ja Choi | 3-6 6-4 6-0 |
| 1996-05-06 | Seoul II 25K | F | clay | Eun Ha Kim | 2-6 6-2 6-3 |