Estádio: Court 3 Round: 25 Ground: Clay
| ITF - M15 Antália | 2023/03/29 11:10 | Bruno Kuzuhara v Rei Sakamoto | 6-4,3-6,4-6 |
| ITF - M15 Antália | 2023/04/05 11:40 | Rei Sakamoto v Dominik Kellovsky | 5-7,0-6 |
| ITF - M15 Antália | 2023/03/30 08:00 | Rei Sakamoto v Sidane Pontjodikromo | 7-5,4-6,1-6 |
| ITF - M15 Antália | 2023/03/29 11:10 | Bruno Kuzuhara v Rei Sakamoto | 6-4,3-6,4-6 |
| 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 |
| Challenger - Savannah | 2023/04/25 16:55 | Bruno Kuzuhara v Mitchell Krueger | 5-7,6-7 |
| Challenger - Savannah | 2023/04/24 14:00 | Bruno Kuzuhara v Blu Baker | 6-4,4-6,6-1 |
| Challenger - Savannah | 2023/04/23 14:00 | Dmitry Popko v Bruno Kuzuhara | 6-7,6-2,4-6 |
| Challenger - Tallahassee | 2023/04/18 18:35 | Kyrian Jacquet v Bruno Kuzuhara | 6-2,6-1 |
| Challenger - Sarasota | 2023/04/10 21:25 | Bruno Kuzuhara v Alex Rybakov | 7-5,3-6,4-6 |
| Challenger - Sarasota | 2023/04/09 22:00 | Moez Echargui v Bruno Kuzuhara | 6-7,6-7 |
| ITF - M15 Antália | 2023/03/29 11:10 | Bruno Kuzuhara v Rei Sakamoto | 6-4,3-6,4-6 |
| ITF - M15 Antália | 2023/03/23 09:30 | Gilles Arnaud Bailly v Bruno Kuzuhara | 3-6,7-6,6-3 |