Ai Yamamoto defeated Nicha Lertpitaksinchai 7-6 6-2 in the Bangkok 10K round of 16 on hard. The upset overturned the form book — Nicha Lertpitaksinchai came in leading the head-to-head 1–0. Ai Yamamoto claimed a first win over Nicha Lertpitaksinchai in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-13 | Kyoto 10K | R32 | carpet | Nicha Lertpitaksinchai | 7-5 7-6(4) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.