Hee Seok Chung defeated Kirati Siributwong 6-3 6-1 in the Thailand F4 qualifying round on hard. The result followed the form book — Hee Seok Chung came in leading the head-to-head 1–0. Hee Seok Chung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-14 | Thailand F5 | R32 | hard | Hee Seok Chung | 3-6 6-3 1-0 |