Stadium: Court 14 Round: 54 Ground: Clay
| ITF M25 Oviedo | 2021/08/31 06:55 | Miguel Fernando Pereira v Diego A B Sanchez | 1-6,7-6,3-6 |
| ITF M25 Oviedo | 2021/08/30 10:05 | Kuzey Cekirge v Miguel Fernando Pereira | 5-7,6-4,8-10 |
| ITF M25 Oviedo | 2021/08/29 12:55 | Diego C. Morales v Miguel Fernando Pereira | 1-6,3-6 |
| ITF M25 Santander | 2021/08/23 13:30 | Julio Cesar Porras v Miguel Fernando Pereira | 6-3,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/08/14 08:00 | Andrey Chepelev v Miguel Fernando Pereira | 6-4,4-6,7-5 |
| UTR Pro Tennis Series Barcelona | 2021/08/13 09:30 | Miguel Fernando Pereira v Jay Friend | 2-6,6-3,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/08/11 08:30 | Miguel Fernando Pereira v Jordi Mas De Ugarte | 3-6,6-3,7-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/10 11:30 | Miguel Fernando Pereira v Kuzey Cekirge | 6-3,5-0 |