Nungnadda Wannasuk defeated Sophia Mulsap 2-6 7-5 6-2 in the Bangkok 10K round of 32 on hard. Nungnadda Wannasuk extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-08-17 | Nonthaburi 10K | R16 | hard | Nungnadda Wannasuk | 6-1 6-3 |
| 2007-05-14 | Balikpapan 10K | R16 | hard | Sophia Mulsap | 7-5 1-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.