Chieh Yu Hsu defeated Ximena Hermoso 6-2 6-4 in the Irapuato 25K qualifying round on hard. The result followed the form book — Chieh Yu Hsu came in leading the head-to-head 1–0. Chieh Yu Hsu extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-12-07 | Xalapa 10K | R16 | hard | Chieh Yu Hsu | 6-3 6-3 |
Averages over each player's completed matches in the selected window (17 vs 2). 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. Small sample — read as indicative. About