Seung Hoon Lee defeated Dong Hyun Kim 6-3 6-4 in the China 2 2 round of 16 on hard. The upset overturned the form book — Dong Hyun Kim came in leading the head-to-head 2–1. Seung Hoon Lee narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-02 | Indonesia F1 | R16 | hard | Seung Hoon Lee | 7-6(3) 6-1 |
| 2001-07-30 | Chinese Taipei F1 | F | hard | Dong Hyun Kim | 6-3 7-5 |
| 2001-06-04 | Korea Rep F2 | R16 | clay | Dong Hyun Kim | 6-3 6-7(5) 6-2 |