Byung Kook Kang defeated Chul Hee Lee 6-4 6-2 in the Indonesia F3 round of 32 on hard. The upset overturned the form book — Chul Hee Lee came in leading the head-to-head 2–0. Byung Kook Kang claimed a first win over Chul Hee Lee in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-07-21 | China 1 2 | R16 | hard | Chul Hee Lee | 6-3 6-4 |
| 2002-05-20 | Korea Rep F2 | R32 | clay | Chul Hee Lee | 6-2 6-2 |