Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/06/01 08:50 | Taisei Ichikawa v Ryota Tanuma | 7-6,6-3 |
| 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 M15 Jakarta | 2022/08/17 05:00 | Ryota Tanuma v Yusuke Takahashi | 6-7,4-6 |
| ITF M15 Jakarta | 2022/08/14 03:00 | Yuta Shimizu v Ryota Tanuma | 6-2,7-5 |
| ITF M15 Jakarta | 2022/08/12 02:00 | Ryota Tanuma v Mitsuki Wei Kang Leong | 6-3,6-2 |
| ITF M15 Jakarta | 2022/08/11 02:00 | Ryota Tanuma v Uisung Park | 6-4,6-1 |
| ITF M15 Jakarta | 2022/08/10 02:00 | Ryota Tanuma v Lohithaksha Bathrinath | 6-3,6-4 |
| ITF M25 Sapporo | 2022/09/01 01:00 | Yuki Mochizuki v Taisei Ichikawa | 6-0,6-7,6-2 |
| ITF M15 Cancun | 2022/08/25 13:30 | Taisei Ichikawa v Alejandro H Franco | 6-7,6-1,3-6 |
| ITF M15 Cancun | 2022/08/16 14:00 | Taisei Ichikawa v Marco Brugnerotto | 5-7,6-2,5-7 |
| ITF M15 Cancun | 2022/08/11 16:30 | Jaimee Floyd Angele v Taisei Ichikawa | 6-1,4-6,6-3 |
| ITF M15 Cancun | 2022/08/10 14:00 | Arman Zamani v Taisei Ichikawa | 0-6,1-6 |
| ITF M25 Decatur | 2022/08/04 02:00 | Taisei Ichikawa v Karlis Ozolins | 5-7,5-7 |
| ITF M15 Chiang Rai | 2022/06/22 05:05 | Taisei Ichikawa v Kasidit Samrej | 1-6,4-6 |
| ITF M15 Chiang Rai | 2022/06/16 05:15 | Taisei Ichikawa v Palaphoom Kovapitukted | 1-6,4-6 |