Stadium: COURT 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Yanagawa | 2024/10/30 03:50 | Koki Matsuda v Yuto Oki | 6-7,2-6 |
| ITF M15 Yanagawa | 2024/10/29 00:30 | Geun Jun Kim v Yuto Oki | 1-6,6-3,8-10 |
| ITF M15 Tanagura | 2024/10/24 03:25 | Yuta Tomida v Yuto Oki | 6-4,6-3 |
| ITF M15 Tanagura | 2024/10/22 00:25 | Yuto Oki v Kazuma Kawachi | 6-1,6-4 |
| ITF M15 Yanagawa | 2023/12/26 03:00 | Yuto Oki v Yuta Kawahashi | 1-6,6-4,0-6 |
| ITF M15 Yanagawa | 2023/12/20 03:00 | Kazuma Kawachi v Yuto Oki | 6-2,6-4 |
| ITF M15 Yanagawa | 2023/12/18 03:00 | Yuto Oki v Changli Zhang | 4-6,6-0,10-8 |
| Challenger Matsuyama | 2023/11/05 03:35 | Naoki Nakagawa v Yuto Oki | 6-4,6-2 |
| ITF M15 Yanagawa | 2024/10/30 04:45 | Naoya Honda v Shinji Hazawa | 6-7,4-6 |
| ITF M15 Tanagura | 2024/10/24 00:30 | Shinji Hazawa v Ryotaro Matsumura | 2-6,7-5,3-6 |
| ITF M15 Tanagura | 2024/10/23 00:25 | Shinji Hazawa v Ren Nakamura | 6-3,6-2 |
| ITF M25 Takasaki | 2024/09/18 06:20 | Shinji Hazawa v Oliver Bonding | 6-4,6-7,4-6 |
| ITF M25 Sapporo | 2024/09/10 03:05 | Masamichi Imamura v Shinji Hazawa | 6-1,6-2 |
| ITF M25 Sapporo | 2024/09/05 04:25 | Goncalo Oliveira v Shinji Hazawa | 6-1,6-2 |
| ITF M25 Sapporo | 2024/09/03 02:00 | Hiroki Sakagawa v Shinji Hazawa | 6-7,3-6 |
| ITF M15 Monastir | 2024/08/14 14:30 | Shinji Hazawa v Savva Polukhin | 2-6,3-6 |