Stadium: Calvo s Ct Round: 25 Ground: Hardcourt outdoor
| ITF M15 - Kashiwa | 2019/04/01 00:00 | Kaito Uesugi v Ren Nakamura | 6-2,6-2 |
| ITF M25 - Harmon | 2022/06/01 00:00 | Ren Nakamura v Ji Sung Nam | 4-6,4-6 |
| ITF M25 - Netanya | 2022/05/25 12:25 | Ren Nakamura v Giles Hussey | 2-6,1-6 |
| ITF M25 - Netanya | 2022/05/24 09:35 | Connor Kruger v Ren Nakamura | 7-6,6-4 |
| ITF M25 - Netanya | 2022/05/23 11:20 | Daniil Romanov v Ren Nakamura | 1-6,1-6 |
| ITF M15 - Akko | 2022/05/19 09:35 | Ben Patael v Ren Nakamura | 6-2,6-0 |
| ITF M15 - Akko | 2022/05/18 12:45 | Ren Nakamura v Adam Jones | 6-2,6-2 |
| ITF M15 - Akko | 2022/05/17 09:00 | Yair Sarouk v Ren Nakamura | 2-6,4-6 |
| ITF M15 - Akko | 2022/05/15 06:30 | Daniil Romanov v Ren Nakamura | 2-6,0-6 |
| ITF M25 - Harmon | 2022/06/03 00:00 | Cheong-Eui Kim v Kaito Uesugi | 6-3,6-3 |
| ITF M25 - Harmon | 2022/06/02 00:00 | Kaito Uesugi v Sho Shimabukuro | 2-6,6-1,7-6 |
| ITF M25 - Harmon | 2022/06/01 00:00 | Kaito Uesugi v Aarman Sachdev | 6-1,6-3 |
| ITF M15 - Antalya | 2022/04/05 06:55 | Daniil Ostapenkov v Kaito Uesugi | 3-6,6-4,11-9 |
| ITF M15 - Antalya | 2022/04/04 07:00 | Mert Ramadan v Kaito Uesugi | 6-3,2-6,2-10 |
| ITF M15 - Antalya | 2022/04/03 07:00 | Kaito Uesugi v Mehdi Sadaoui | 2-6,7-6,10-5 |
| ITF M15 - Antalya | 2022/03/29 07:00 | Max Houkes v Kaito Uesugi | 6-2,4-6,10-7 |
| ITF M15 - Antalya | 2022/03/28 10:25 | Berk Bugarikj v Kaito Uesugi | 4-6,2-6 |