| UTR Pro Tennis Series Zadar | 2021/11/19 10:30 | 페케트, 자노스 v Maassen, Graham | 6-3,5-3 |
| UTR Pro Tennis Series Zadar | 2021/11/18 10:30 | Jose A R Rodriguez v Maassen, Graham | 4-6,6-2,6-2 |
| UTR Pro Tennis Series Zadar | 2021/11/16 13:00 | 즈마크, 데니 v Maassen, Graham | 4-6,6-1,6-2 |
| UTR Pro Tennis Series Zadar | 2021/11/14 15:20 | Maassen, Graham v 라조브, 알렉산더 | 6-2,6-4 |
| UTR Pro Tennis Series Manzanillo | 2021/12/11 18:00 | Elizarraras, Emiliano 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 Rodriguez, J. A. | 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 구베르만, 야론 | 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 Florida | 2021/09/18 13:00 | Santiago Arredondo v Schmid, Michal | 3-6,2-6 |