Chieh Fu Wang defeated Hung Yuan Hsu 6-1 6-4 in the China F4 round of 16 on hard. The upset overturned the form book — Hung Yuan Hsu came in leading the head-to-head 1–0. Chieh Fu Wang claimed a first win over Hung Yuan Hsu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-04 | Chinese Taipei F1 | R32 | hard | Hung Yuan Hsu | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.