Su Wei Hsieh defeated Kai Chen Chang 6-0 6-3 in the Guangzhou round of 16 on hard. The upset overturned the form book — Kai Chen Chang came in leading the head-to-head 2–0, defending last year's round of 32. Su Wei Hsieh claimed a first win over Kai Chen Chang in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-31 | Taipei 100K | R16 | hard | Kai Chen Chang | 4-6 6-1 6-4 |
| 2010-11-01 | Taipei 100K | R16 | carpet | Kai Chen Chang | 6-2 6-7(2) 6-4 |
Averages over each player's completed matches in the selected window (200 vs 119). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About