Orawan Lamangthong defeated Aleta Sungkono 6-1 6-4 in the Colombo 10K round of 16 on clay. The result followed the form book — Orawan Lamangthong came in leading the head-to-head 1–0. Orawan Lamangthong extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-29 | Jakarta 10K | R32 | hard | Orawan Lamangthong | 6-0 6-1 |