Wen Hsin Hsu defeated Seung Yeon Hong 6-0 6-1 in the Gimcheon 25K round of 32 on hard. The upset overturned the form book — Seung Yeon Hong came in leading the head-to-head 1–0. Wen Hsin Hsu claimed a first win over Seung Yeon Hong in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-23 | Changwon 25K | R32 | hard | Seung Yeon Hong | 7-5 2-6 6-1 |
Averages over each player's completed matches in the selected window (2 vs 19). 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