Stadium: Court 8 Round: 25 Ground: Hardcourt indoor
| ITF M25 Harlingen | 2023/10/26 18:50 | Mcdaniel, Marcus v Collin Altamirano | 6-2,6-3 |
| ITF M25 Harlingen | 2023/10/25 16:05 | Joao Vitor Goncalves Ceolin v Collin Altamirano | 4-6,4-6 |
| ITF M25 Takasaki | 2023/09/23 01:40 | Makoto Ochi v Collin Altamirano | 6-7,6-1,6-2 |
| ITF M25 Takasaki | 2023/09/22 01:00 | Kazuki Nishiwaki v Collin Altamirano | 3-6,1-6 |
| ITF M25 Takasaki | 2023/09/21 03:50 | Collin Altamirano v Ehara, Hiroyasu | 6-4,6-1 |
| ITF M25 Takasaki | 2023/09/20 04:00 | Hayato Matsuoka v Collin Altamirano | 7-5,4-6,2-6 |
| ITF M25 Takasaki | 2023/09/18 03:10 | Collin Altamirano v Shunsuke Nakagawa | 6-3,6-2 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2023/09/13 03:05 | Collin Altamirano v Yuki Mochizuki | 6-7,4-6 |
| Challenger Tiburon | 2023/10/03 20:20 | Alex Michelsen v Schnur, Brayden | 6-7,6-3,6-4 |
| Challenger Tiburon | 2023/10/02 19:10 | Skander Mansouri v Schnur, Brayden | 6-7,6-7 |
| Challenger Tiburon | 2023/10/01 19:55 | Schnur, Brayden v Clement Chidekh | 6-3,6-2 |
| Charleston, SC, USA | 2023/09/24 17:10 | Schnur, Brayden v August Holmgren | 7-6,5-7,6-7 |
| Challenger Columbus | 2023/09/17 14:00 | Federico Agustin Gomez v Schnur, Brayden | 7-6,7-6 |
| Challenger Cary | 2023/09/11 21:00 | Schnur, Brayden v Samuel, Toby | 3-6,7-6,3-6 |
| Challenger Winnipeg | 2023/08/15 16:00 | Darian King v Schnur, Brayden | 6-2,6-1 |
| Toronto, Canada | 2023/08/06 18:15 | Max Purcell v Schnur, Brayden | 6-2,6-1 |