Suchanun Viratprasert defeated Wen Hsin Hsu 3-6 6-3 6-1 in the Obihiro-Tokachi 25K round of 32 on carpet. The upset overturned the form book — Wen Hsin Hsu came in leading the head-to-head 2–0. Suchanun Viratprasert claimed a first win over Wen Hsin Hsu in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-05-17 | Karuizawa 25K | R32 | carpet | Wen Hsin Hsu | 6-3 6-3 |
| 2008-07-07 | Tokyo 10K | R32 | carpet | Wen Hsin Hsu | 6-1 7-5 |
Averages over each player's completed matches in the selected window (1 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