Nudnida Luangnam defeated Tomoko Yonemura 6-4 3-6 6-3 in the Xiamen 75K round of 32 on hard. The upset overturned the form book — Tomoko Yonemura came in leading the head-to-head 2–1, but Nudnida Luangnam had been the form player, winning 3 of their last 8 on hard. Nudnida Luangnam 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 |
| 2008-05-26 | Gunma 25K | R16 | carpet | Tomoko Yonemura | 6-1 6-1 |
Averages over each player's completed matches in the selected window (15 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