Oh Hee Kwon defeated Kotaro Miyachi 7-6 7-6 in the Japan F3 qualifying round on hard. The result followed the form book — Oh Hee Kwon came in leading the head-to-head 2–1. Oh Hee Kwon extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-03-18 | Japan F2 | R32 | carpet | Oh Hee Kwon | 6-3 6-2 |
| 1998-11-18 | Japan F5 | QF | hard | Oh Hee Kwon | 2-6 7-5 1-0 |
| 1998-06-29 | Japan 1 Masters 4 | R16 | hard | Kotaro Miyachi | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.