Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Jakarta | 2023/06/18 05:00 | Mason Naumovski v Ren Nakamura | 6-3,6-3 |
| ITF M15 Jakarta | 2023/06/11 04:00 | Ren Nakamura v Ying-Ze Chen | 5-7,4-6 |
| ITF M15 Karuizawa | 2023/05/31 01:00 | Yuichiro Inui v Ren Nakamura | 6-1,3-6,6-4 |
| ITF M15 Karuizawa | 2023/05/30 02:15 | Yua Taka v Ren Nakamura | 6-0,7-5 |
| UTR Pro Miki | 2023/04/21 06:20 | Ren Nakamura v Yuto Okuchi | 4-6,6-2,6-7 |
| UTR Pro Miki | 2023/04/19 05:00 | Ren Nakamura v Jordan Chiu | 6-4,6-4 |
| UTR Pro Miki | 2023/04/18 06:07 | Ren Nakamura v Tanihata Kouyou | 6-1,5-0 |
| UTR Pro Miki | 2023/04/17 04:50 | Shinde Yuzuki v Ren Nakamura | 7-5,2-6,6-2 |
| 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 |
| UTR Pro Tennis Series Florida | 2022/11/28 16:00 | Ryuhei Azuma v Charlie Miller | 6-0,6-3 |
| UTR Pro Tennis Series Florida | 2022/11/27 22:41 | Matthew Segura v Ryuhei Azuma | 3-6,5-6 |
| UTR Pro Tennis Series Florida | 2022/07/22 15:30 | Braden Shick v Ryuhei Azuma | 6-3,5-1 |