Jae Sung An defeated Seung Jae Lee 6-1 4-6 7-6 in the Korean Rep F4 round of 32 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 |
|---|---|---|---|---|---|
| 2009-07-20 | Korean Rep F6 | R32 | hard | Jae Sung An | 7-5 6-1 |