Stadium: Court 11 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2023/09/03 03:00 | Ryusuke Horiuchi v Kenta Nakamura | 6-3,6-1 |
| ITF M15 Caloundra | 2023/07/30 00:00 | Timmy Karpinski v Kenta Nakamura | 6-4,6-2 |
| ITF M15 Caloundra | 2023/07/22 23:00 | Anton Shepp v Kenta Nakamura | 6-3,7-5 |
| ITF M25 Anseong | 2023/06/19 06:50 | Young Seok Kim v Kenta Nakamura | 6-0,6-2 |
| ITF M25 Anseong | 2023/06/19 03:25 | Yongjun Shim v Kenta Nakamura | 3-6,2-6 |
| ITF M25 Anseong | 2023/06/18 04:40 | Gwanuk Sim v Kenta Nakamura | 3-6,3-6 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Kenta Nakamura v Blake Bayldon | 2-6,0-6 |
| ITF M15 Antalya | 2023/05/07 07:00 | Kenta Nakamura v Mateo Del Pino | 5-7,3-6 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Shunsuke Nakagawa v Shunrou Takeshima | 6-3,3-6,8-10 |
| ITF M15 Monastir | 2023/04/26 10:40 | Shunsuke Nakagawa v Aziz Ouakaa | 7-6,6-7,3-6 |
| ITF M15 Monastir | 2023/04/24 13:00 | Rayen Hermassi v Shunsuke Nakagawa | 2-6,1-6 |
| ITF M15 Monastir | 2023/04/24 08:00 | Shunsuke Nakagawa v Thomas George Brun | 6-2,6-3 |
| ITF M15 Monastir | 2023/04/20 09:30 | Ye Cong Mo v Shunsuke Nakagawa | 6-2,6-0 |
| ITF M15 Monastir | 2023/04/19 11:10 | Shunsuke Nakagawa v Szymon Kielan | 6-4,6-1 |
| ITF M15 Monastir | 2023/04/17 12:30 | Shunsuke Nakagawa v Omar Brigida | 6-1,7-5 |
| ITF M15 Monastir | 2023/04/17 08:00 | Sebastian Sorger v Shunsuke Nakagawa | 2-6,6-3,6-10 |