Junn Mitsuhashi defeated Toshihide Matsui 6-3 6-0 in the Japan F8 qualifying round on hard. The result followed the form book — Junn Mitsuhashi came in leading the head-to-head 3–0. Junn Mitsuhashi extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-13 | Japan F6 | QF | hard | Junn Mitsuhashi | 6-7(4) 7-6(4) 6-1 |
| 2009-10-12 | Japan F8 | SF | hard | Junn Mitsuhashi | 6-4 6-3 |
| 2007-06-18 | Japan F7 | R32 | clay | Junn Mitsuhashi | 7-6(6) 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.