Stadium: Court 7 Round: 54 Ground: Hardcourt outdoor
| Challenger Yokkaichi | 2022/11/21 01:00 | Colin Sinclair v Koki Matsuda | 6-3,6-4 |
| Challenger Yokkaichi | 2022/11/20 02:20 | Koki Matsuda v Arjun Kadhe | 7-5,6-7,6-2 |
| Challenger Matsuyama | 2022/11/09 01:00 | Koki Matsuda v Nam Hoang Ly | 4-6,3-6 |
| 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 |
| ITF M25 Sapporo | 2022/09/08 03:15 | Shuichi Sekiguchi v Taki Adachi | 6-3,6-0 |
| ITF M25 Sapporo | 2022/09/07 00:25 | Mao Takada v Taki Adachi | 3-6,2-6 |
| ITF M25 Sapporo | 2022/09/01 01:00 | Taki Adachi v Ko Suzuki | 0-6,1-6 |
| ITF M15 Anseong | 2022/08/16 02:50 | Haesun Lee v Taki Adachi | 7-5,6-2 |
| ITF M15 Fountain Valley | 2022/07/04 17:00 | Taki Adachi v Jared Thompkins | 2-6,1-6 |
| ITF M25 Harmon | 2022/06/08 02:00 | Taki Adachi v Cheong-Eui Kim | 0-6,3-6 |
| ITF M25 Harmon | 2022/06/08 01:30 | Taki Adachi v Cheong E Kim | 0-6,3-6 |
| ITF M25 Harmon | 2022/06/06 00:00 | William Alan Yang v Taki Adachi | 3-6,1-6 |