Sheng Nan Sun defeated Wen Hsin Hsu 7-5 6-1 in the Wenshan 50K round of 32 on hard. The upset overturned the form book — Wen Hsin Hsu came in leading the head-to-head 1–0, but Sheng Nan Sun had been the form player, winning 3 of their last 6 on hard. Sheng Nan Sun claimed a first win over Wen Hsin Hsu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-01-04 | Quanzhou 50K | R32 | hard | Wen Hsin Hsu | 5-7 7-6(1) 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.