Kyung Mi Chang defeated Su Wei Hsieh 6-3 6-3 in the Busan 50K round of 32 on hard. The upset overturned the form book — Su Wei Hsieh came in leading the head-to-head 1–0, but Kyung Mi Chang had been the form player, winning 3 of their last 7 on hard. Kyung Mi Chang claimed a first win over Su Wei Hsieh in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-04-22 | Seoul 25K | QF | hard | Su Wei Hsieh | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.