Hiromasa Oku defeated Shintaro Imai 6-1 6-2 in the Japan F1 q16 on hard. The upset overturned the form book — Shintaro Imai came in leading the head-to-head 2–0. Hiromasa Oku claimed a first win over Shintaro Imai in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-03-14 | Japan F2 | Q16 | hard | Shintaro Imai | 6-1 6-0 |
| 2016-03-07 | Japan F1 | R32 | hard | Shintaro Imai | 3-6 6-2 6-1 |
Averages over each player's completed matches in the selected window (19 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