Wen Hsin Hsu defeated Kanae Hisami 6-4 6-2 in the Tsukuba 25K round of 16 on hard. The upset overturned the form book — Kanae Hisami came in leading the head-to-head 2–1. Wen Hsin Hsu narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-05-05 | Fukuoka 50K | Q16 | grass | Kanae Hisami | 7-6(5) 6-4 |
| 2013-06-03 | Taipei 10K | SF | hard | Kanae Hisami | 6-3 6-3 |
| 2008-09-15 | Kyoto 10K | R32 | carpet | Wen Hsin Hsu | 6-1 6-1 |
Averages over each player's completed matches in the selected window (2 vs 4). 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