Qiang Wang defeated Su Wei Hsieh 6-2 6-1 in the Taipei round of 32 on carpet. 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 from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.