Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| Challenger Kobe | 2022/11/13 01:00 | Ryotaro Taguchi v Colin Sinclair | 6-7,6-7 |
| Challenger Yokkaichi | 2022/11/20 01:00 | Daisuke Sumizawa v Yuki Mochizuki | 2-6,7-5,3-6 |
| Challenger Yokohama | 2022/10/31 01:30 | Taisei Ichikawa v Daisuke Sumizawa | 2-6,6-4,6-2 |
| Challenger Yokohama | 2022/10/30 02:35 | Seiya Nakanishi v Daisuke Sumizawa | 3-6,0-6 |
| Challenger Busan | 2022/10/16 04:35 | Daisuke Sumizawa v Naoki Nakagawa | 7-6,4-6,1-6 |
| 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 |