Kazuki Nishiwaki defeated Daisuke Sumizawa 2-6 6-2 10-8 in the M15 Kashiwa 1 qualifying round of 32 on hard. Kazuki Nishiwaki claimed a first win over Daisuke Sumizawa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-07-25 | M15 Caloundra 1 | R32 | hard | Daisuke Sumizawa | 6-1 6-2 |
Averages over each player's completed matches in the selected window (170 vs 200). 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