Jae Sung An defeated Norikazu Sugiyama 3-6 6-3 6-2 in the Korea Rep F1 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 |
|---|---|---|---|---|---|
| 2005-06-20 | Japan F7 | R16 | clay | Jae Sung An | 2-6 7-6(3) 6-3 |