Sandy Gumulya defeated Noppawan Lertcheewakarn 6-3 6-2 in the Tanjung Selor 25K round of 16 on hard. Sandy Gumulya extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-04-28 | Balikpapan 25K | SF | hard | Noppawan Lertcheewakarn | 4-6 6-2 6-2 |
| 2006-09-25 | Jakarta 10K | QF | hard | Sandy Gumulya | 6-4 4-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.