Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Tsukuba | 2024/03/24 01:00 | Ryotaro Shimomura v Naoki Tajima | 6-3,1-6,10-5 |
| ITF M15 Tsukuba | 2024/03/25 06:00 | Daisuke Sumizawa v Masamichi Imamura | 6-3,6-4 |
| ITF M15 Tsukuba | 2024/03/24 01:00 | Daisuke Sumizawa v Linghao Zhang | 7-5,6-1 |
| ITF M15 Hinode | 2024/03/13 05:40 | Hikaru Shiraishi v Daisuke Sumizawa | 6-1,7-6 |
| UTR Pro Kawaguchi | 2024/03/02 03:00 | Ryotaro Matsumura v Daisuke Sumizawa | 6-2,7-5 |
| ITF M15 Yanagawa | 2023/12/20 07:45 | Daisuke Sumizawa v Koki Matsuda | 5-7,3-6 |
| ITF M25 Gold Coast | 2023/11/29 01:55 | Daisuke Sumizawa v Matthew Dellavedova | 6-7,4-6 |
| ITF M25 Brisbane | 2023/11/22 03:50 | Daisuke Sumizawa v Emile Hudd | 2-6,2-6 |
| ITF M25 Cairns | 2023/10/12 00:00 | Omar Jasika v Daisuke Sumizawa | 6-1,6-2 |