Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| Challenger Matsuyama | 2022/11/07 01:00 | Shuichi Sekiguchi v Makoto Ochi | 7-5,7-5 |
| Challenger Matsuyama | 2022/11/06 04:50 | Beibit Zhukayev v Shuichi Sekiguchi | 6-4,3-6,6-7 |
| ITF M25 Sapporo | 2022/09/09 01:00 | Shuichi Sekiguchi v Shintaro Imai | 3-6,0-6 |
| ITF M25 Sapporo | 2022/09/08 03:15 | Shuichi Sekiguchi v Taki Adachi | 6-3,6-0 |
| ITF M25 Sapporo | 2022/09/07 00:30 | Shuichi Sekiguchi v Masamichi Imamura | 7-6,1-6,6-0 |
| ITF M25 Sapporo | 2022/09/04 02:00 | Rio Noguchi v Shuichi Sekiguchi | 4-6,7-5,6-2 |
| ITF M25 Sapporo | 2022/09/03 01:00 | Yuki Mochizuki v Shuichi Sekiguchi | 6-0,2-6,3-6 |
| ITF M25 Sapporo | 2022/09/02 01:00 | Shuichi Sekiguchi v Daisuke Sumizawa | 7-6,7-6 |
| Challenger Matsuyama | 2022/11/07 03:20 | Yuta Shimizu v Koki Matsuda | 0-6,3-6 |
| Challenger Matsuyama | 2022/11/06 02:40 | Koki Matsuda v Arjun Kadhe | 7-6,6-2 |
| ITF M25 Kashiwa | 2022/09/30 01:00 | Ryota Tanuma v Koki Matsuda | 7-6,6-3 |
| ITF M25 Kashiwa | 2022/09/27 00:55 | Koki Matsuda v Kaito Uesugi | 3-6,6-4,6-0 |