Bumpei Sato defeated Weerapat Doakmaiklee 6-1 7-5 in the Cambodia F1 round of 16 on hard. Bumpei Sato extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-31 | Thailand F4 | R32 | hard | Bumpei Sato | 6-3 6-2 |
| 2010-08-02 | Thailand F1 | R32 | hard | Weerapat Doakmaiklee | 4-6 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.