Su Wei Hsieh defeated Barbara Haas 6-1 7-5 in the Hua Hin quarter-final on hard. The result followed the form book — Su Wei Hsieh came in leading the head-to-head 1–0. Su Wei Hsieh extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-09-28 | Roland Garros | R128 | clay | Su Wei Hsieh | 6-3 7-6(1) |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.