Hiroyasu Ehara defeated Ryota Tanuma 6-2 6-0 in the Japan F7 qualifying round on carpet. The upset overturned the form book — Ryota Tanuma came in leading the head-to-head 1–0. Hiroyasu Ehara claimed a first win over Ryota Tanuma in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-26 | Japan F4 | QF | hard | Ryota Tanuma | 6-3 4-6 6-4 |
Averages over each player's completed matches in the selected window (38 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