Kyung Mi Chang defeated Riei Kawamata 7-6 6-2 in the Samutpakarn 10K round of 32 on hard. The upset overturned the form book — Riei Kawamata came in leading the head-to-head 1–0, but Kyung Mi Chang had been the form player, winning 2 of their last 4 on hard. Kyung Mi Chang claimed a first win over Riei Kawamata in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-03-22 | Seoul 10K | R32 | clay | Riei Kawamata | 6-2 7-6 |