| UTR Pro Suita | 2024/04/26 02:00 | Wakamatsu Taichi v Shinji Hazawa | 7-5,2-6,2-6 |
| UTR Pro Suita | 2024/04/25 02:00 | Nicholas Jovanovski v Shinji Hazawa | 1-6,5-7 |
| UTR Pro Suita | 2024/04/22 00:30 | Kazuma Kawachi v Shinji Hazawa | 6-7,7-6,1-6 |
| Challenger Yokohama | 2023/11/19 07:00 | Kalin Ivanovski v Shinji Hazawa | 3-6,6-4,7-5 |
| Challenger Kobe | 2023/11/13 02:55 | Giovanni Fonio v Shinji Hazawa | 6-3,6-7,6-1 |
| ITF M15 Nakhon Si Thammarat | 2023/07/14 03:40 | Shinji Hazawa v Sidharth Rawat | 6-4,5-7,3-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/13 02:00 | Shinji Hazawa v Amir Milushev | 6-1,4-6,6-4 |
| ITF M15 Nakhon Si Thammarat | 2023/07/12 02:00 | Shinji Hazawa v Chase Ferguson | 6-7,6-1,6-2 |
| UTR Pro Suita | 2024/04/26 00:30 | Shion Itsusaki v Shinnosuke Iwamoto | 2-6,4-6 |