Stadium: Court 5 Round: 14 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2022/09/02 01:00 | Shuichi Sekiguchi v Daisuke Sumizawa | 7-6,7-6 |
| ITF M25 Sapporo | 2022/09/01 04:35 | Daisuke Sumizawa v Shintaro Imai | 6-2,2-6,6-1 |
| ITF M25 Sapporo | 2022/08/30 02:55 | Keisuke Saitoh v Daisuke Sumizawa | 5-7,6-3,4-6 |
| ITF M15 Kuching | 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 | Kento Takeuchi v Daisuke Sumizawa | 1-6,4-6 |
| Challenger Seoul | 2022/10/12 03:25 | Li Tu v Naoki Nakagawa | 6-3,6-2 |
| Challenger Seoul | 2022/10/11 04:45 | Naoki Nakagawa v Alexei Popyrin | 3-6,7-5,7-6 |
| Challenger Seoul | 2022/10/10 06:30 | Max Purcell v Naoki Nakagawa | 4-6,6-3,5-7 |
| Challenger Seoul | 2022/10/09 08:05 | Naoki Nakagawa v Keegan Smith | 6-4,3-6,6-3 |
| Challenger Gwangju | 2022/10/04 03:00 | Naoki Nakagawa v Ryan Peniston | 5-7,7-5,3-6 |
| Challenger Gwangju | 2022/10/03 02:00 | Naoki Nakagawa v Robert Galloway | 7-6,6-3 |
| Challenger Charleston | 2022/09/25 14:00 | August Holmgren v Naoki Nakagawa | 4-6,7-6,6-2 |
| Challenger Columbus | 2022/09/21 17:30 | Aleksandar Vukic v Naoki Nakagawa | 7-5,3-6,7-6 |