Masaki Sasai advanced when Makoto Ochi retired 2-6 6-0 1-0 in the Japan F3 qualifying round of 32. Masaki Sasai claimed a first win over Makoto Ochi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-09-07 | Korea F7 | R16 | clay | Makoto Ochi | 6-3 6-2 |
| 2015-08-31 | Korea F6 | R16 | clay | Makoto Ochi | 6-2 6-4 |
Averages over each player's completed matches in the selected window (12 vs 200). 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