Wen Hsin Hsu defeated Sheng Nan Sun 5-7 7-6 7-6 in the Quanzhou 50K round of 32 on hard. The upset overturned the form book — Sheng Nan Sun came in leading the head-to-head 1–0. Wen Hsin Hsu claimed a first win over Sheng Nan Sun in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-22 | Wenshan 50K | R32 | hard | Sheng Nan Sun | 7-5 6-1 |
Averages over each player's completed matches in the selected window (2 vs 3). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About