Stadium: Center Court Round: 14 Ground: Hardcourt indoor
| Challenger Yokohama | 2022/10/31 04:25 | Yuki Mochizuki v Asahi Harazaki | 6-3,6-4 |
| Challenger Yokohama | 2022/10/30 06:05 | Asahi Harazaki v Savriyan Danilov | 6-1,7-5 |
| ITF M25 Kashiwa | 2022/09/29 01:00 | Ryota Tanuma v Asahi Harazaki | 7-5,6-4 |
| ITF M25 Kashiwa | 2022/09/27 03:25 | Asahi Harazaki v Kazuma Kawachi | 6-3,6-2 |
| ITF M25 Sapporo | 2022/09/08 01:00 | Tatsuma Ito v Asahi Harazaki | 6-2,6-2 |
| ITF M25 Sapporo | 2022/09/07 03:40 | Kento Takeuchi v Asahi Harazaki | 3-6,6-2,2-6 |
| UTR Pro Tennis Series Miki | 2022/07/16 02:00 | Yuki Mochizuki v Asahi Harazaki | 3-6,6-3,6-4 |
| UTR Pro Tennis Series Miki | 2022/07/14 00:30 | Ryoma Matsushita v Asahi Harazaki | 2-6,5-7 |
| Challenger Matsuyama | 2022/11/08 05:35 | Frederico Ferreira Silva v Naoki Nakagawa | 6-3,6-3 |
| Challenger Matsuyama | 2022/11/07 01:00 | Ergi Kirkin v Naoki Nakagawa | 4-6,6-2,6-1 |
| Challenger Matsuyama | 2022/11/06 01:00 | Ryota Tanuma v Naoki Nakagawa | 3-6,4-6 |
| Challenger Yokohama | 2022/10/31 06:45 | Yosuke Watanuki v Naoki Nakagawa | 6-4,6-4 |
| Challenger Busan | 2022/10/18 03:55 | Christopher Eubanks v Naoki Nakagawa | 6-0,6-3 |
| Challenger Busan | 2022/10/17 05:05 | Mukund Sasikumar v Naoki Nakagawa | 6-3,6-4 |
| Challenger Busan | 2022/10/16 04:35 | Daisuke Sumizawa v Naoki Nakagawa | 7-6,4-6,1-6 |
| Challenger Seoul | 2022/10/12 03:25 | Li Tu v Naoki Nakagawa | 6-3,6-2 |