Yong Il Yoon defeated Mirko Pehar 6-4 6-2 in the Japan F2 round of 32 on carpet. The result followed the form book — Yong Il Yoon came in leading the head-to-head 1–0. Yong Il Yoon extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-04-28 | Korea Rep F1 | R32 | clay | Yong Il Yoon | 6-3 6-4 |