| 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 |
| ITF M15 Monastir | 2021/01/10 14:00 | David Perez Sanz v Joshua D Karpenschif | 2-6,7-5,6-10 |
| ITF M15 Monastir | 2021/01/06 08:00 | David Perez Sanz v Ronan Joncour | 6-2,6-7,3-6 |
| ITF M15 Parnu | 2020/11/04 13:05 | David Perez Sanz v Simon Freund | 6-7,3-6 |
| ITF M15 Parnu | 2020/11/02 08:00 | David Perez Sanz v Kristofer Siimar | 6-3,6-3 |
| UTR Pro Tennis Series California | 2021/10/16 15:00 | Manuel S Montemayor v Yassine Smiej | 0-3 |
| UTR Pro Tennis Series California | 2021/10/14 16:30 | Arthur Bellegy v Manuel S Montemayor | 4-6,7-6,1-5 |
| UTR Pro Tennis Series California | 2021/10/13 19:30 | Govind Nanda v Manuel S Montemayor | 6-1,5-4 |
| UTR Pro Tennis Series California | 2021/10/11 19:30 | Emmanuel Coste v Manuel S Montemayor | 6-4,6-7,6-4 |
| UTR Pro Tennis Series Dallas | 2021/09/04 13:00 | Alejandro Moreno v Manuel S Montemayor | 6-2,7-5 |
| UTR Pro Tennis Series Manzanillo | 2021/08/14 13:00 | Manuel S Montemayor v Alan Magadan | 6-1,2-6,5-7 |
| UTR Pro Tennis Series Manzanillo | 2021/08/13 13:00 | Manuel S Montemayor v Jose Antonio Rodriguez Rodriguez | 6-2,6-0 |
| UTR Pro Tennis Series Manzanillo | 2021/08/12 14:30 | Manuel S Montemayor v Gerardo L Villasenor | 5-7,4-6 |