Qiang Wang defeated Su Wei Hsieh 6-3 6-2 in the Hua Hin quarter-final on hard. The upset overturned the form book — Su Wei Hsieh came in leading the head-to-head 3–2. Qiang Wang narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-31 | Roland Garros | R128 | clay | Qiang Wang | 2-6 6-4 7-5 |
| 2019-08-12 | Cincinnati | R64 | hard | Su Wei Hsieh | 6-3 6-4 |
| 2019-04-22 | Stuttgart | R32 | clay | Su Wei Hsieh | 4-6 6-3 6-4 |
| 2018-09-10 | Hiroshima | SF | hard | Su Wei Hsieh | 6-4 6-4 |
| 2017-09-11 | Tokyo | R32 | hard | Qiang Wang | 7-5 6-2 |
Averages over each player's completed matches in the selected window (200 vs 200). 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