Stadium: Center Court A Round: 25 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2022/09/02 00:55 | Ryota Tanuma v Tatsuma Ito | 6-4,6-1 |
| ITF M25 Sapporo | 2022/09/01 02:40 | Ko Suzuki v Tatsuma Ito | 3-6,2-6 |
| ITF M25 Sapporo | 2022/08/30 01:00 | Ryusuke Horiuchi v Tatsuma Ito | 3-6,1-6 |
| UTR Pro Tennis Series Miki | 2022/07/09 05:00 | Tatsuma Ito v Asahi Harazaki | 6-1,6-0 |
| UTR Pro Tennis Series Miki | 2022/07/09 00:30 | Tatsuma Ito v Ryo Minakata | 6-4,5-3 |
| UTR Pro Tennis Series Miki | 2022/07/08 02:00 | Tatsuma Ito v Shin Inoue | 6-1,6-1 |
| UTR Pro Tennis Series Miki | 2022/07/06 05:00 | Tatsuma Ito v Kazuki Nishiwaki | 7-6,6-4 |
| UTR Pro Tennis Series Miki | 2022/07/05 05:00 | Tatsuma Ito v Hiroki Sakagawa | 6-4,5-1 |
| ITF M25 Sapporo | 2022/09/05 04:00 | Issei Okamura v Taiki Nagamine | 6-1,6-3 |
| ITF M15 Daegu | 2022/08/31 08:10 | Duckhee Lee v Issei Okamura | 5-7,6-1,6-3 |
| ITF M15 Changwon | 2022/08/26 00:55 | Ajeet Rai v Issei Okamura | 6-1,6-7,6-3 |
| ITF M15 Changwon | 2022/08/25 03:05 | Issei Okamura v Duckhee Lee | 6-2,3-6,7-5 |
| ITF M15 Changwon | 2022/08/23 01:00 | Issei Okamura v Min Seong Kim | 6-4,6-0 |
| ITF M15 Jakarta | 2022/08/15 04:45 | Issei Okamura v Amor Jasika | 3-6,4-6 |
| ITF M15 Jakarta - selejtezők | 2022/08/14 03:55 | Issei Okamura v Roy Hobbs | 6-4,6-4 |
| ITF M15 Jakarta | 2022/08/10 03:40 | Issei Okamura v Shintaro Imai | 0-6,1-6 |