Masatoshi Miyazaki defeated Hiroki Moriya 6-1 6-3 in the Japan F9 round of 16 on clay. The upset overturned the form book — Hiroki Moriya came in leading the head-to-head 2–0. Masatoshi Miyazaki claimed a first win over Hiroki Moriya in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-23 | Japan F2 | R32 | hard | Hiroki Moriya | 6-4 6-1 |
| 2008-09-15 | Japan F9 | R32 | carpet | Hiroki Moriya | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.