Napaporn Tongsalee defeated Kyung Mi Chang 6-3 3-6 6-3 in the Changwon 25K round of 32 on hard. The upset overturned the form book — Kyung Mi Chang came in leading the head-to-head 1–0. Napaporn Tongsalee claimed a first win over Kyung Mi Chang in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-07-21 | Changwon 25K | SF | hard | Kyung Mi Chang | 6-3 7-6(5) |