Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Naples | 2023/02/20 17:00 | Kousuke Ogura v Collin Altamirano | 2-6,3-6 |
| ITF M15 Edmond | 2023/01/25 22:15 | Ezekiel Clark v Collin Altamirano | 6-0,4-6,6-2 |
| ITF M15 Ithaca | 2023/01/17 18:30 | Nathan Ponwith v Collin Altamirano | 6-4,6-1 |
| ITF M25 Nottingham | 2022/05/10 09:00 | Julian Cash v Collin Altamirano | 6-7,6-2,7-6 |
| ITF M25 Nottingham | 2022/05/04 14:10 | Collin Altamirano v Giovanni Oradini | 3-6,1-6 |
| ITF M15 Orange Park | 2022/04/20 14:00 | Martin Damm v Collin Altamirano | 6-4,7-6 |
| ITF M15 Sunrise | 2022/04/13 15:25 | Collin Altamirano v Ezekiel Clark | 7-6,4-6,2-6 |
| ITF M25 Calabasas | 2022/03/22 21:15 | Daniel Cukierman v Collin Altamirano | 6-1,5-7,6-2 |
| ITF M25 Malibu | 2023/01/05 22:00 | Bryce Nakashima v Garrett Johns | 1-6,2-6 |
| ITF M25 Malibu | 2023/01/03 19:30 | Arthur Neuhaus v Bryce Nakashima | 1-6,3-6 |
| ITF M25 Malibu | 2023/01/02 17:00 | Masato Perera v Bryce Nakashima | 0-6,3-6 |
| ITF M25 Columbus | 2022/11/17 16:20 | Bryce Nakashima v Aidan Mayo | 2-6,6-7 |
| ITF M25 Columbus | 2022/11/16 20:50 | Bryce Nakashima v Jonathan Sorbo | 6-0,7-6 |
| ITF M15 Winston-Salem | 2022/11/07 18:00 | Bryce Nakashima v Fons Van Sambeek | 3-6,7-5,7-10 |
| ITF M15 Cancun | 2022/08/25 17:55 | Alexander Cozbinov v Bryce Nakashima | 6-4,6-2 |
| ITF M15 Cancun | 2022/08/24 15:30 | Bryce Nakashima v Ajer Sher | 6-1,6-1 |