Taiyo Yamanaka defeated Daisuke Sumizawa 6-3 6-0 in the Sydney CH qualifying round 1 on hard. Taiyo Yamanaka claimed a first win over Daisuke Sumizawa in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-05-30 | M15 Luan 6 | QF | hard | Daisuke Sumizawa | 7-6(3) 6-4 |
| 2023-10-11 | M25 Cairns 2 | R32 | hard | Daisuke Sumizawa | 6-2 6-2 |
| 2023-08-01 | M15 Caloundra 2 | R32 | hard | Daisuke Sumizawa | 4-6 6-3 7-6(1) |
Averages over each player's completed matches in the selected window (51 vs 35). 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