Sho Katayama defeated Hiroyasu Ehara 6-3 7-6 in the Japan F2 round of 32 on hard. The upset overturned the form book — Hiroyasu Ehara came in leading the head-to-head 2–0, but Sho Katayama had been the form player, winning 7 of their last 10 on hard. Sho Katayama claimed a first win over Hiroyasu Ehara in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-05-22 | Singapore F1 | QF | hard | Hiroyasu Ehara | 6-3 4-6 6-2 |
| 2012-04-02 | Japan F4 | R32 | hard | Hiroyasu Ehara | 6-3 6-0 |
Averages over each player's completed matches in the selected window (29 vs 22). 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