Stadium: Court 6 Round: 25 Ground: Clay
| ITF M25 Madrid | 2021/09/14 07:00 | Alejandro Garcia v Miguel Fernando Pereira | 6-7,1-6 |
| ITF M25 Madrid | 2021/09/13 12:00 | Ivan Bas Mengual v Miguel Fernando Pereira | 4-6,4-6 |
| 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 |
| Challenger Seville selejtezők | 2021/09/08 11:00 | Flavio Cobolli v Pablo Llamas Ruiz | 6-3,7-5 |
| ITF M25 Oviedo | 2021/09/01 10:30 | Oriol Roca Batalla v Pablo Llamas Ruiz | 7-6,7-5 |
| ITF M25 Oviedo | 2021/08/31 12:00 | Pablo Llamas Ruiz v Ivan Gakhov | 6-1,3-6,7-5 |
| ITF M25 Santander | 2021/08/26 15:00 | Pablo Llamas Ruiz v Pol Martin Tiffon | 2-6,3-6 |
| ITF M25 Santander | 2021/08/24 10:15 | Pablo Llamas Ruiz v Jordi Mas De Ugarte | 6-4,6-2 |
| ITF M25 Denia | 2021/07/28 07:55 | Javier Barranco Cosano v Pablo Llamas Ruiz | 6-1,7-6 |
| ITF M25 Gandia | 2021/07/21 07:30 | Pablo Llamas Ruiz v Alex M Pujolras | 6-3,3-6,4-6 |
| ITF M15 L'Aquila | 2021/07/16 09:25 | Pablo Llamas Ruiz v Marcello Serafini | 4-6,0-6 |