Jae Sung An defeated Norikazu Sugiyama 2-6 7-6 6-3 in the Japan F7 round of 16 on clay. 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 |
|---|---|---|---|---|---|
| 2007-04-23 | Korea Rep F1 | F | hard | Jae Sung An | 3-6 6-3 6-2 |