Young Ja Choi defeated Kyung Yee Chae 7-6 4-6 6-1 in the Inchon 10K qualifying round on clay. The upset overturned the form book — Kyung Yee Chae came in leading the head-to-head 2–0. Young Ja Choi claimed a first win over Kyung Yee Chae in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-07-15 | Seoul 10K | R16 | hard | Kyung Yee Chae | 6-3 6-2 |
| 2000-02-21 | Jakarta 10K | F | hard | Kyung Yee Chae | 1-6 6-3 6-1 |