Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2023/09/07 01:00 | Tomohiro Masabayashi v Daisuke Sumizawa | 3-6,3-6 |
| ITF Japan F4 | 2017/03/27 08:00 | Daisuke Sumizawa v Tomohiro Masabayashi | 0-6,0-6 |
| ITF M15 Tsukuba | 2024/03/28 04:15 | Daisuke Sumizawa v Stefanos Sakellaridis | 3-6,6-3,1-6 |
| ITF M15 Tsukuba | 2024/03/27 04:15 | Ryotaro Shimomura v Daisuke Sumizawa | 6-4,3-6,4-6 |
| 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 M15 Tsukuba | 2024/03/24 01:00 | Linang Xiao v Tomohiro Masabayashi | 3-6,2-6 |
| ITF M15 Nishi-Tokyo | 2024/03/20 00:50 | Ryotaro Taguchi v Tomohiro Masabayashi | 6-3,6-3 |
| ITF M15 Hinode | 2024/03/11 01:00 | Tomohiro Masabayashi v Daiki Yoshimura | 6-7,0-6 |
| UTR Pro Kawaguchi | 2024/03/03 02:00 | Koki Matsuda v Tomohiro Masabayashi | 6-1,1-6,3-6 |
| UTR Pro Kawaguchi | 2024/03/02 01:30 | Haruki Katsushima v Tomohiro Masabayashi | 0-6,4-6 |
| ITF M15 Yanagawa | 2023/12/18 03:00 | Tomohiro Masabayashi v Shu Muto | 1-6,7-6,7-10 |
| ITF M25 Gold Coast | 2023/11/27 00:00 | Tomohiro Masabayashi v Andre Szilvassy | 2-6,3-6 |
| ITF M25 Brisbane | 2023/11/20 04:30 | Tomohiro Masabayashi v Mason Naumovski | 6-7,6-3,5-10 |