Dong Hyun Kim defeated Hee Sung Chung 6-3 5-7 6-4 in the Korea F1 round of 16 on hard. The result followed the form book — Dong Hyun Kim came in leading the head-to-head 2–1. Dong Hyun Kim extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-15 | Indonesia F3 | R32 | hard | Dong Hyun Kim | 6-3 6-0 |
| 2002-07-29 | Korea Rep F3 | R32 | hard | Dong Hyun Kim | 6-2 3-6 6-3 |
| 1999-05-24 | Korea F2 | R16 | clay | Hee Sung Chung | 6-1 1-0 |