Jae Sung An defeated Yaoki Ishii 6-3 6-2 in the Thailand F2 semi-final on hard. The result followed the form book — Jae Sung An came in leading the head-to-head 1–0. Jae Sung An extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-30 | Japan F3 | R32 | hard | Jae Sung An | 3-2 |