Su Wei Hsieh defeated Kyung Mi Chang 6-3 6-4 in the Seoul 25K qualifying round on hard. The upset overturned the form book — Kyung Mi Chang came in leading the head-to-head 1–0. Su Wei Hsieh 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 |
|---|---|---|---|---|---|
| 2005-10-31 | Busan 50K | R32 | hard | Kyung Mi Chang | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.