Varatchaya Wongteanchai defeated Aki Yamasoto 6-7 6-4 6-3 in the Noto 25K round of 32 on carpet. The result followed the form book — Varatchaya Wongteanchai came in leading the head-to-head 1–0. Varatchaya Wongteanchai extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-05 | Noto 25K | R16 | carpet | Varatchaya Wongteanchai | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.