| UTR Pro Tennis Series Manzanillo | 2021/12/13 16:30 | Graham Maassen v Santiago Arredondo | 4-6,1-5 |
| UTR Pro Tennis Series Manzanillo | 2021/12/11 18:00 | Emiliano Elizarraras v Santiago Arredondo | 7-6,5-4 |
| UTR Pro Tennis Series Manzanillo | 2021/12/09 22:00 | Santiago Arredondo v Mario Radev | 6-2,4-6,5-2 |
| UTR Pro Tennis Series Manzanillo | 2021/12/08 16:30 | Santiago Arredondo v Javier Alejandro Mendoza Crespo | 4-6,6-3,3-6 |
| UTR Pro Tennis Series Manzanillo | 2021/12/07 16:30 | Santiago Arredondo v Jose Antonio Rodriguez Rodriguez | 2-6,7-5,2-5 |
| UTR Pro Tennis Series Manzanillo | 2021/12/06 14:00 | Santiago Arredondo v Luis Pineda | 6-3,7-6 |
| UTR Pro Tennis Series Florida | 2021/09/19 12:00 | Santiago Arredondo v Yaron Guberman | 7-5,5-3 |
| UTR Pro Tennis Series Florida | 2021/09/18 16:00 | Adam Ambrozy v Santiago Arredondo | 3-6,4-6 |
| UTR Pro Tennis Series Manzanillo | 2021/12/11 18:00 | Ivar Aramburu v Nicolas Cortes Campos | 0-6,0-6 |
| UTR Pro Tennis Series Manzanillo | 2021/12/10 16:30 | Ivar Aramburu v Lazaro Navarro-Batles | 6-3,6-3 |
| UTR Pro Tennis Series Manzanillo | 2021/12/09 19:53 | Ivar Aramburu v Adrian Contreras | 2-6,6-0,6-0 |
| UTR Pro Tennis Series Manzanillo | 2021/12/08 18:00 | Jean Baptiste Badon v Ivar Aramburu | 6-2,5-4 |
| UTR Pro Tennis Series Manzanillo | 2021/12/07 19:30 | Eduardo Yahir Orozco Rangel v Ivar Aramburu | 6-2,6-2 |
| UTR Pro Tennis Series Cancun | 2021/04/10 17:30 | Ivar Aramburu v Tommaso Carnevale-Miino | 4-6,1-6 |
| UTR Pro Tennis Series Cancun | 2021/04/09 14:30 | Luis Patino v Ivar Aramburu | 6-2,6-3 |
| UTR Pro Tennis Series Cancun | 2021/04/08 13:00 | Alec Adamson v Ivar Aramburu | 3-6,5-7 |