
Naomi Osaka defeated Chieh Yu Hsu 6-2 6-3 in the El Paso TX 25K semi-final on hard. The upset overturned the form book — Chieh Yu Hsu came in leading the head-to-head 1–0. Naomi Osaka claimed a first win over Chieh Yu Hsu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-11-25 | Monterrey 25K | QF | hard | Chieh Yu Hsu | 7-5 6-4 |
Averages over each player's completed matches in the selected window (199 vs 18). 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
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About