Stadium: Centre Court A Round: 26 Ground: Hardcourt outdoor
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/08/30 02:55 | Keisuke Saitoh v Daisuke Sumizawa | 5-7,6-3,4-6 |
| Kuching, Singles Main, M-ITF-MAS-03A | 2022/08/03 01:00 | Daisuke Sumizawa v Ji Hoon Son | 1-6,2-6 |
| ITF M15 Kuala Lumpur | 2022/07/27 02:45 | Kazuma Kawachi v Daisuke Sumizawa | 4-6,7-5,6-3 |
| ITF M15 Seremban | 2022/07/24 01:00 | Shinji Hazawa v Daisuke Sumizawa | 0-6,2-6 |
| ITF M15 Seremban | 2022/07/23 02:00 | Daisuke Sumizawa v Uisung Park | 6-3,7-6 |
| ITF M15 Seremban | 2022/07/22 01:00 | Takeuchi, Kento (1987) v Daisuke Sumizawa | 1-6,4-6 |
| ITF M15 Seremban | 2022/07/21 01:30 | Daisuke Sumizawa v Jie Cui | 7-6,6-2 |
| ITF M15 Seremban | 2022/07/20 03:20 | Daisuke Sumizawa v Kodancha Srinivasan | 6-3,6-3 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2022/08/30 02:10 | Toki Adachi v Shintaro Imai | 0-6,1-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/21 02:00 | Mukund Sasikumar v Shintaro Imai | 3-6,3-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/20 02:00 | M Rifqi, Fitriadi v Shintaro Imai | 4-6,2-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/18 02:00 | Takeuchi, Kento (1987) v Shintaro Imai | 3-6,4-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/17 02:00 | Ryuki Matsuda v Shintaro Imai | 0-6,4-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/12 02:00 | S D Prajwal Dev v Shintaro Imai | 6-2,6-7,3-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/11 04:35 | Alexander Kotzen v Shintaro Imai | 4-6,6-4,3-6 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2022/08/10 03:40 | Issei Okamura v Shintaro Imai | 0-6,1-6 |