Chu Huan Yi defeated Junn Mitsuhashi 6-1 6-3 in the Korea F2 round of 16 on hard. Chu Huan Yi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-16 | Japan F1 | R32 | hard | Chu Huan Yi | 7-6(7) 6-1 |
| 2008-10-13 | Japan F10 | R16 | hard | Junn Mitsuhashi | 3-6 6-4 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.