Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Kashiwa | 2022/09/30 03:05 | Makoto Ochi v Shinji Hazawa | 7-5,6-1 |
| ITF M15 Kashiwa | 2019/04/04 02:40 | Shinji Hazawa v Makoto Ochi | 2-6,1-6 |
| Challenger Burnie | 2023/01/31 23:00 | Thomas Fancutt v Shinji Hazawa | 4-6,6-3,6-3 |
| Challenger Burnie | 2023/01/31 03:20 | Shinji Hazawa v Charlie Camus | 6-4,2-6,7-6 |
| Challenger Yokkaichi | 2022/11/24 01:30 | Kaichi Uchida v Shinji Hazawa | 6-3,6-4 |
| Challenger Yokkaichi | 2022/11/22 03:35 | Shinji Hazawa v Hiroki Moriya | 7-5,6-1 |
| Challenger Kobe | 2022/11/18 02:00 | Shinji Hazawa v Frederico Ferreira Silva | 6-2,3-6,6-7 |
| Challenger Kobe | 2022/11/17 02:00 | Shinji Hazawa v Naoki Nakagawa | 6-4,6-4 |
| Challenger Kobe | 2022/11/15 07:10 | James Duckworth v Shinji Hazawa | 4-6,4-6 |
| Challenger Matsuyama | 2022/11/07 01:00 | Seong Chan Hong v Shinji Hazawa | 6-3,6-4 |
| Challenger Burnie | 2023/01/31 02:05 | James Duckworth v Makoto Ochi | 6-1,6-4 |
| Challenger Nonthaburi | 2023/01/16 03:00 | Makoto Ochi v Stuart Parker | 6-7,6-7 |
| Challenger Nonthaburi | 2023/01/15 04:50 | Makoto Ochi v Maximus Jones | 6-3,6-3 |
| Challenger Yokkaichi | 2022/11/22 04:45 | Makoto Ochi v James Duckworth | 6-7,4-6 |
| Challenger Yokkaichi | 2022/11/21 03:00 | Makoto Ochi v James Trotter | 7-6,2-6,7-6 |
| Challenger Kobe | 2022/11/13 04:15 | Makoto Ochi v Rimpei Kawakami | 4-6,6-3,2-6 |
| Challenger Matsuyama | 2022/11/07 01:00 | Shuichi Sekiguchi v Makoto Ochi | 7-5,7-5 |
| Challenger Matsuyama | 2022/11/06 03:50 | Savriyan Danilov v Makoto Ochi | 4-6,4-6 |