| UTR Pro Tennis Series Manzanillo | 2021/12/10 19:30 | Javier A M Crespo v Mario Radev | 6-3,6-4 |
| UTR Pro Tennis Series Manzanillo | 2021/12/09 15:00 | Javier A M Crespo v Jose Antonio Rodriguez Rodriguez | 6-4,7-6 |
| UTR Pro Tennis Series Copenhagen | 2021/06/19 07:00 | Mick Lescure v Javier A M Crespo | 2-6,7-5,0-0 |
| UTR Pro Tennis Series Copenhagen | 2021/06/17 09:30 | Javier A M Crespo v Jesper Klov Nilsson | 6-2,6-0 |
| UTR Pro Tennis Series Manzanillo | 2021/12/09 15:00 | David Perez Sanz v Luciano Doria | 6-7,6-2,6-2 |
| UTR Pro Tennis Series Manzanillo | 2021/12/08 15:00 | David Perez Sanz v Emiliano Elizarraras | 6-1,6-3 |
| UTR Pro Tennis Series Manzanillo | 2021/12/07 16:30 | David Perez Sanz v Aleksandar Temov | 6-0,6-2 |
| UTR Pro Tennis Series Manzanillo | 2021/12/06 19:00 | David Perez Sanz v David Morell Perez | 6-2,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 11:00 | Kuzey Cekirge v David Perez Sanz | 6-1,6-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 14:00 | Ihor Dudun v David Perez Sanz | 1-6,6-3,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/02/04 12:30 | Franco Feitt v David Perez Sanz | 3-3 |
| UTR Pro Tennis Series Barcelona | 2021/02/01 10:30 | Johan Sebastien Tatlot v David Perez Sanz | 3-6,6-4,5-4 |