Keisuke Saitoh defeated Daisuke Sumizawa 6-2 6-4 in the M15 Sharm El Sheikh 3 q16 on hard. The result followed the form book — Keisuke Saitoh came in ranked #684, leading the head-to-head 3–1. Keisuke Saitoh extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-09-10 | M25 Sapporo 2 | R32 | hard | Keisuke Saitoh | 6-1 6-2 |
| 2024-05-14 | M15 Kursumlijska Banja 4 | R32 | clay | Keisuke Saitoh | 6-4 5-7 6-3 |
| 2024-04-04 | M15 Kashiwa 1 | R16 | hard | Keisuke Saitoh | 7-5 6-2 |
| 2022-08-30 | M25 Sapporo 1 | R32 | hard | Daisuke Sumizawa | 7-5 3-6 6-4 |
Averages over each player's completed matches in the selected window (23 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