Young Jun Kim defeated Oh Hee Kwon 6-3 6-1 in the Indonesia F1 qualifying round on hard. The result followed the form book — Young Jun Kim came in leading the head-to-head 2–1. Young Jun Kim extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-11 | Indonesia F3 | SF | hard | Oh Hee Kwon | 6-2 6-3 |
| 2004-05-24 | Japan F4 | R16 | hard | Young Jun Kim | 6-3 3-6 6-1 |
| 2001-09-03 | Korea Rep F4 | R32 | clay | Young Jun Kim | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.