Varatchaya Wongteanchai defeated Chieh Yu Hsu 7-5 6-1 in the Tsukuba 25K qualifying round on hard. The upset overturned the form book — Chieh Yu Hsu came in leading the head-to-head 1–0, but Varatchaya Wongteanchai had been the form player, winning 3 of their last 6 on hard. Varatchaya Wongteanchai 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 |
|---|---|---|---|---|---|
| 2014-10-20 | Perth 25K | QF | hard | Chieh Yu Hsu | 6-4 2-6 6-4 |
Averages over each player's completed matches in the selected window (49 vs 17). 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