Sho Katayama defeated Hiromasa Oku 7-6 6-0 in the Japan F8 round of 32 on clay. The result followed the form book — Sho Katayama came in leading the head-to-head 2–0. Sho Katayama extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-06-06 | Japan F7 | R32 | hard | Sho Katayama | 6-1 6-2 |
| 2009-06-15 | Japan F5 | R32 | carpet | Sho Katayama | 6-1 5-7 6-2 |
Averages over each player's completed matches in the selected window (74 vs 19). 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