Oh Hee Kwon defeated Melvyn Op Der Heijde 7-6 6-1 in the Korea Rep F1 final on hard. The upset overturned the form book — Melvyn Op Der Heijde came in leading the head-to-head 2–0. Oh Hee Kwon claimed a first win over Melvyn Op Der Heijde in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-11-07 | China F6 | SF | hard | Melvyn Op Der Heijde | 4-6 7-6(4) 6-4 |
| 2004-11-22 | China F3 | SF | hard | Melvyn Op Der Heijde | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.