Stadium: Court 5 Round: 25 Ground: Clay
| ITF - M15 Antalya | 2023/03/23 09:30 | Gilles Arnaud Bailly v Bruno Kuzuhara | 3-6,7-6,6-3 |
| ITF - M15 Antalya | 2023/03/22 07:00 | Matthias Ujvary v Bruno Kuzuhara | 4-6,1-6 |
| Challenger - Vina del Mar | 2023/03/12 13:00 | Bruno Kuzuhara v Jose Pereira | 2-6,5-7 |
| Challenger - Santiago | 2023/03/06 19:30 | Facundo Bagnis v Bruno Kuzuhara | 6-0,6-1 |
| ITF M15 - Naples | 2023/02/25 15:00 | Gabi Adrian Boitan v Bruno Kuzuhara | 6-1,7-6 |
| ITF M15 - Naples | 2023/02/24 15:00 | Ozan Baris v Bruno Kuzuhara | 4-6,4-6 |
| ITF M15 - Naples | 2023/02/23 15:00 | Arvid Nordquist v Bruno Kuzuhara | 7-5,5-7,2-6 |
| ITF M15 - Naples | 2023/02/22 17:30 | Bryce Nakashima v Bruno Kuzuhara | 2-6,5-7 |
| ITF M15 - Naples | 2023/02/24 15:00 | Rei Sakamoto v Gabi Adrian Boitan | 3-6,2-6 |
| ITF M15 - Naples | 2023/02/23 15:00 | Alvaro G Meza v Rei Sakamoto | 6-4,5-7,3-6 |
| ITF M15 - Naples | 2023/02/21 16:30 | Rei Sakamoto v ZhengQing Ji | 7-6,7-5 |
| ITF - M15 Palm Coast | 2023/02/09 18:00 | Toby Alex Kodat v Rei Sakamoto | 6-2,6-3 |
| ITF - M15 Palm Coast | 2023/02/07 16:30 | Rei Sakamoto v Kristjan Tamm | 7-6,2-6,6-3 |
| ITF M25 - Malibu | 2023/01/02 17:00 | Rei Sakamoto v Arthur Neuhaus | 1-6,2-6 |
| ITF - M15 Antalya | 2022/10/26 11:25 | Dan Alexandru Tomescu v Rei Sakamoto | 4-6,6-4,6-2 |
| ITF - M15 Antalya | 2022/10/19 07:00 | Rei Sakamoto v Savva Polukhin | 3-6,2-6 |