Daisuke Sumizawa defeated Tomohiro Masabayashi 6-3 6-3 in the M25 Sapporo 1 round of 16 on hard. Daisuke Sumizawa extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-12-24 | M15 Bali 4 | R32 | hard | Tomohiro Masabayashi | 6-4 6-7(0) 6-2 |
| 2024-03-31 | M15 Kashiwa 1 | Q32 | hard | Daisuke Sumizawa | 6-4 6-7(3) 10-5 |
Averages over each player's completed matches in the selected window (11 vs 15). 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