Jumpei Yamasaki defeated Keisuke Saitoh 6-2 6-3 in the M15 Kofu 1 round of 32 on hard. Jumpei Yamasaki extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-08-25 | M15 Monastir 32 | R32 | hard | Jumpei Yamasaki | 6-1 6-1 |
Averages over each player's completed matches in the selected window (16 vs 23). 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