Kyung Yee Chae defeated Chin Bee Khoo 3-6 6-3 6-3 in the Bangkok 10K round of 16 on hard. The upset overturned the form book — Chin Bee Khoo came in leading the head-to-head 1–0. Kyung Yee Chae claimed a first win over Chin Bee Khoo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-06-28 | Springfield 10K | R32 | hard | Chin Bee Khoo | 6-2 6-3 |