Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Takasaki | 2023/09/17 05:00 | Hayato Matsuoka v Ren Nakamura | 6-1,7-5 |
| ITF M25 Hong Kong - selejtezők | 2023/09/04 02:00 | Collin Altamirano v Ren Nakamura | 6-4,6-1 |
| ITF M25 Hong Kong | 2023/08/28 02:00 | Blake Mott v Ren Nakamura | 6-3,4-6,10-7 |
| ITF M25 Hong Kong | 2023/08/27 02:30 | Ren Nakamura v Rohan Mehra | 6-3,6-3 |
| ITF M25 Tainan | 2023/08/21 04:05 | Jesse Delaney v Ren Nakamura | 6-2,6-3 |
| ITF M25 Tainan | 2023/08/20 05:30 | Ian Turner v Ren Nakamura | 1-6,1-6 |
| 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 Hua Hin | 2023/11/06 03:00 | Nuno Van Os v Julien De Cuyper | 3-6,0-6 |