Chieh Yu Hsu defeated Varatchaya Wongteanchai 6-4 2-6 6-4 in the Perth 25K qualifying round on hard. The upset overturned the form book — Varatchaya Wongteanchai came in leading the head-to-head 1–0. Chieh Yu Hsu claimed a first win over Varatchaya Wongteanchai in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-25 | Tsukuba 25K | QF | hard | Varatchaya Wongteanchai | 7-5 6-1 |
Averages over each player's completed matches in the selected window (17 vs 36). 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