Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Kashiwa | 2022/09/29 01:00 | Ryota Tanuma v Asahi Harazaki | 7-5,6-4 |
| ITF M25 Kashiwa | 2022/09/28 03:55 | Ryota Tanuma v Taketo Takamisawa | 7-6,6-3 |
| ITF M25 Sapporo | 2022/09/09 01:00 | Ryota Tanuma v Keisuke Saitoh | 6-0,4-6,3-6 |
| ITF M25 Sapporo | 2022/09/08 03:10 | Ryota Tanuma v Takuya Kumasaka | 6-2,6-1 |
| ITF M25 Sapporo | 2022/09/07 02:40 | Ryota Tanuma v Taisei Ichikawa | 6-0,6-0 |
| ITF M25 Sapporo | 2022/09/03 01:00 | Rio Noguchi v Ryota Tanuma | 6-4,7-5 |
| ITF M25 Sapporo | 2022/09/02 00:55 | Ryota Tanuma v Tatsuma Ito | 6-4,6-1 |
| ITF M25 Sapporo | 2022/09/01 01:00 | Ryota Tanuma v Naoki Tajima | 6-1,6-4 |
| ITF M25 Kashiwa | 2022/09/27 00:55 | Koki Matsuda v Kaito Uesugi | 3-6,6-4,6-0 |