Hee Seok Chung defeated Hee Sung Chung 6-3 6-4 in the Korea Rep F1 round of 32 on clay. The result followed the form book — Hee Seok Chung came in leading the head-to-head 1–0. Hee Seok Chung extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-03 | Korea Rep F1 | R16 | hard | Hee Seok Chung | 6-0 6-4 |