Nam Hoon Kim defeated Seung Hoon Lee 6-2 1-6 6-2 in the Korea Masters 4 semi-final on clay. The upset overturned the form book — Seung Hoon Lee came in leading the head-to-head 1–0. Nam Hoon Kim claimed a first win over Seung Hoon Lee in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-05-29 | Korea F2 | R32 | clay | Seung Hoon Lee | 6-0 7-5 |