Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Orange Park | 2023/05/04 14:15 | Colin Markes v Rei Sakamoto | 5-7,6-4,6-2 |
| ITF - M15 Orange Park | 2023/05/03 14:50 | Rei Sakamoto v Bruno Kuzuhara | 7-6,4-6,6-3 |
| ITF - M15 Antalya | 2023/04/05 11:40 | Rei Sakamoto v Dominik Kellovsky | 5-7,0-6 |
| ITF - M15 Antalya | 2023/03/30 08:00 | Rei Sakamoto v Sidane Pontjodikromo | 7-5,4-6,1-6 |
| ITF - M15 Antalya | 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 - M25 Edwardsville | 2023/07/26 16:30 | Adam Neff v Kareem Allaf | 6-3,3-6,3-6 |
| ITF - M25 Dallas | 2023/07/11 18:50 | Nicholas Godsick v Adam Neff | 6-2,6-2 |
| ITF - M25 Tulsa | 2023/06/22 15:00 | Alejandro Moreno v Adam Neff | 6-4,6-7,2-6 |
| ITF - M25 Tulsa | 2023/06/20 16:00 | Adam Neff v Colin Sinclair | 4-6,7-5,7-5 |
| ITF - M25 Wichita | 2023/06/14 22:10 | Adam Neff v Nicaise Muamba | 4-6,7-5,3-6 |
| Challenger - Tyler | 2023/06/09 17:40 | Adam Neff v Peter Gojowczyk | 6-3,3-6,2-6 |
| Challenger - Tyler | 2023/06/08 16:00 | Christian Langmo v Adam Neff | 6-7,6-7 |
| Challenger - Tyler | 2023/06/05 20:40 | Joao Lucas Reis da Silva v Adam Neff | 6-4,2-6,3-6 |