Stadium: Court 11 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Santo Domingo | 2022/02/21 18:30 | Collin Altamirano v Victor Lilov | 6-4,1-6,4-10 |
| ITF M25 Santo Domingo | 2022/02/21 13:00 | Collin Altamirano v Nikita Alosha | 6-3,6-1 |
| UTR Pro Tennis Series California | 2022/01/29 17:30 | Collin Altamirano v Nicolas Cortes Campos | 2-6,6-2,4-6 |
| UTR Pro Tennis Series California | 2022/01/27 22:30 | Aaron Bailey v Collin Altamirano | 0-6,2-6 |
| UTR Pro Tennis Series California | 2022/01/26 23:30 | Stefan Menichella v Collin Altamirano | 5-7,0-6 |
| UTR Pro Tennis Series California | 2022/01/24 20:30 | Arthur Bellegy v Collin Altamirano | 6-4,6-7,2-5 |
| ATP Acapulco | 2021/03/14 03:05 | Collin Altamirano v Damir Dzumhur | 6-4,6-7,0-6 |
| UTR Pro Tennis Series California | 2021/02/23 16:00 | Collin Altamirano v Colton Smith | 6-3,5-2 |