Seong Yoon Chung defeated Peerakit Siributwong 6-3 7-5 in the Thailand F5 round of 32 on hard. The result followed the form book — Seong Yoon Chung came in leading the head-to-head 1–0. Seong Yoon Chung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-06-18 | Thailand F3 | R32 | hard | Seong Yoon Chung | 6-0 6-3 |