Chin Wei Chan defeated Su Wei Hsieh 6-2 4-6 6-3 in the Hammond LA 25K qualifying round on hard. The upset overturned the form book — Su Wei Hsieh came in leading the head-to-head 4–0, but Chin Wei Chan had been the form player, winning 4 of their last 6 on hard. Chin Wei Chan claimed a first win over Su Wei Hsieh in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-05-07 | Gimcheon 25K | F | hard | Su Wei Hsieh | 6-2 6-4 |
| 2006-05-01 | Gifu 50K | QF | carpet | Su Wei Hsieh | 6-4 4-6 6-4 |
| 2001-08-06 | Bangkok 10K | SF | hard | Su Wei Hsieh | 6-1 6-3 |
| 2001-03-12 | Kao-Hsiung City 10K | R32 | hard | Su Wei Hsieh | 7-6(3) 1-6 6-2 |
Averages over each player's completed matches in the selected window (12 vs 200). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About