Tomoko Yonemura defeated Nudnida Luangnam 6-1 6-1 in the Gunma 25K round of 16 on carpet. The upset overturned the form book — Nudnida Luangnam came in leading the head-to-head 2–1. Tomoko Yonemura narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-19 | Nonthaburi 25K | F | hard | Nudnida Luangnam | 2-6 7-5 6-1 |
| 2009-09-28 | Hamanako 25K | R32 | carpet | Tomoko Yonemura | 6-4 3-6 6-4 |
| 2007-11-26 | Xiamen 75K | R32 | hard | Nudnida Luangnam | 6-4 3-6 6-3 |
Averages over each player's completed matches in the selected window (2 vs 70). 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