Daisuke Sumizawa defeated Jacob Brumm 2-6 6-4 6-4 in the M25 Sapporo 1 quarter-final on hard. Daisuke Sumizawa extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-17 | M25 Takasaki 1 | R32 | hard | Daisuke Sumizawa | 7-6(5) 6-2 |
Averages over each player's completed matches in the selected window (5 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