Yuichi Sugita defeated Oh Hee Kwon 7-6 6-0 in the Japan F11 round of 32 on hard. Yuichi Sugita extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-19 | Japan F9 | SF | clay | Yuichi Sugita | 6-7(5) 6-4 6-2 |
| 2005-05-30 | Japan F5 | R32 | hard | Oh Hee Kwon | 7-5 6-3 |
Averages over each player's completed matches in the selected window (199 vs 17). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About