Keisuke Saitoh defeated Tomohiro Masabayashi 6-1 6-0 in the M25 Taipei 1 round of 32 on hard. Keisuke Saitoh claimed a first win over Tomohiro Masabayashi in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-12 | M25 Sapporo 2 | R32 | hard | Tomohiro Masabayashi | 7-5 6-3 |
| 2023-09-06 | M25 Sapporo 1 | R32 | hard | Tomohiro Masabayashi | 6-4 3-6 6-1 |
Averages over each player's completed matches in the selected window (15 vs 14). 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