Jae Sung An advanced when Weerapat Doakmaiklee retired 7-5 1-0 in the Thailand F2 qualifying round. Jae Sung An extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-02-25 | Thailand F3 | R32 | hard | Jae Sung An | 6-1 6-2 |
| 2008-02-18 | Thailand F2 | R32 | hard | Jae Sung An | 6-3 6-2 |
| 2006-08-07 | Thailand F4 | R32 | hard | Jae Sung An | 6-1 6-2 |