Young Jun Kim defeated Hee Sung Chung 6-4 7-5 in the Korea Rep F4 round of 16 on clay. The upset overturned the form book — Hee Sung Chung came in leading the head-to-head 1–0. Young Jun Kim claimed a first win over Hee Sung Chung in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-08-05 | Korea Rep F4 | R32 | hard | Hee Sung Chung | 6-3 6-4 |