Stadium: Court 2 Round: 54 Ground: Clay
| ITF M25 Zapopan | 2023/10/08 19:00 | Ricardo Reyna v Ryuhei Azuma | 3-6,2-6 |
| ITF M25 Takasaki | 2023/09/17 01:00 | Leo Vithoontien v Ryuhei Azuma | 6-1,6-2 |
| ITF M15 Satu Mare | 2023/09/11 07:00 | Ryuhei Azuma v Michalis Sakellaridis | 5-7,2-6 |
| ITF M15 Satu Mare | 2023/09/10 09:30 | Ryuhei Azuma v Marton Liszka | 6-0,6-4 |
| 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 |