Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Tsukuba | 2023/03/27 00:30 | Koki Matsuda v Taki Adachi | 6-3,6-1 |
| UTR Pro Tennis Series Miki | 2022/12/10 03:57 | Koki Matsuda v Kazuki Nishiwaki | 3-6,0-0 |
| UTR Pro Tennis Series Miki | 2022/12/08 00:30 | Kento Tagashira v Koki Matsuda | 4-6,4-6 |
| UTR Pro Tennis Series Miki | 2022/12/05 02:00 | Ying-Ze Chen v Koki Matsuda | 2-6,2-5 |
| 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 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Mao Takada v Asahi Harazaki | 2-6,5-7 |
| Challenger Yokkaichi | 2022/11/21 01:00 | Asahi Harazaki v Yuki Mochizuki | 3-6,4-6 |
| Challenger Yokkaichi | 2022/11/20 01:00 | Tsung-Hao Huang v Asahi Harazaki | 3-6,6-4,4-6 |
| Challenger Kobe | 2022/11/13 02:15 | Asahi Harazaki v Naoki Nakagawa | 3-6,2-6 |
| 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 |