Oh Hee Kwon advanced when Seung Bok Baek retired 7-6 in the China 1 Satellite 2 round of 16. Oh Hee Kwon extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-13 | Korea Rep F1 | R32 | hard | Oh Hee Kwon | 6-2 6-1 |
| 2001-06-04 | Korea Rep F2 | QF | clay | Oh Hee Kwon | 6-4 3-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.