Su Wei Hsieh defeated Sheng Nan Sun 6-0 6-3 in the Suzhou 100K qualifying round on hard. The result followed the form book — Su Wei Hsieh came in leading the head-to-head 2–0. Su Wei Hsieh extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-19 | Changwon 25K | R32 | hard | Su Wei Hsieh | 6-1 6-1 |
| 2006-05-08 | Fukuoka 50K | R32 | grass | Su Wei Hsieh | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.