Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| 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 |
| ITF M25 Cairns | 2023/10/10 23:50 | Daisuke Sumizawa v Taiyo Yamanaka | 6-2,6-2 |
| ITF M15 Tsukuba | 2024/03/24 01:00 | Issei Okamura v Masamichi Imamura | 6-7,6-7 |
| ITF M15 Nishi-Tokyo | 2024/03/20 02:30 | Masamichi Imamura v Yunseong Chung | 6-7,2-6 |
| ITF M15 Nishi-Tokyo | 2024/03/19 01:00 | Shohei Chikami v Masamichi Imamura | 4-6,1-6 |
| ITF M15 Nishi-Tokyo | 2024/03/18 01:00 | Kaito Uesugi v Masamichi Imamura | 1-6,2-6 |
| ITF M15 Hinode | 2024/03/12 01:00 | Masamichi Imamura v Duckhee Lee | 2-6,6-2,2-6 |
| ITF M25 Traralgon | 2024/02/29 02:45 | Masamichi Imamura v Luke Saville | 1-6,7-6,4-6 |
| ITF M25 Traralgon | 2024/02/27 02:00 | Masamichi Imamura v Tai Leonard Sach | 6-3,6-7,6-2 |
| ITF M25 Traralgon | 2024/02/21 23:00 | Luke Saville v Masamichi Imamura | 5-7,7-6,7-5 |