Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Constanta | 2023/09/04 09:30 | Vasile Antonescu v Ryuhei Azuma | 6-2,7-5 |
| ITF M25 Yinchuan | 2023/08/14 02:00 | Jiayang Dong v Ryuhei Azuma | 7-5,6-3 |
| ITF M25 Yinchuan | 2023/08/13 02:00 | Ryuhei Azuma v Zhuyuan Li | 6-2,6-1 |
| ITF M15 Orange Park | 2023/05/01 15:30 | Ryuhei Azuma v Lance A L Castelan | 6-2,6-2 |
| UTR Pro Tennis Series Florida | 2022/12/04 14:30 | Ryuhei Azuma v Sean Daryabeigi | 6-2,5-2 |
| UTR Pro Tennis Series Florida | 2022/12/03 17:00 | Andres Andrade v Ryuhei Azuma | 2-6,4-5 |
| UTR Pro Tennis Series Florida | 2022/12/01 18:30 | Daniel Sancho Arbizu v Ryuhei Azuma | 6-4,1-6,3-6 |
| UTR Pro Tennis Series Florida | 2022/11/29 22:00 | Ryuhei Azuma v Maxwell Smith | 6-4,6-3 |
| ITF M25 Maribor Qual | 2023/09/03 08:00 | Marton Liszka v Tino Kovacic | 0-6,1-6 |
| ITF M25 Maribor | 2023/08/28 13:40 | Marton Liszka v Stefan Vedovelli | 5-7,3-6 |