Stadium: Court 4 Round: 27 Ground: Clay
| ITF M25 Oviedo | 2021/09/01 08:00 | Kuzey Cekirge v Miguel Damas | 6-7,1-6 |
| ITF M25 Oviedo | 2021/08/31 10:00 | Miguel Damas v Mario Mansilla Diez | 6-7,6-2,7-5 |
| ITF M25 Santander | 2021/08/26 12:45 | Miguel Damas v Carlos Sanchez Jover | 6-3,1-6,2-6 |
| ITF M25 Santander | 2021/08/25 11:30 | Samuel M Arjona v Miguel Damas | 1-6,4-6 |
| ITF M25 Santander | 2021/08/23 09:00 | Miguel Damas v Mario Mansilla Diez | 6-2,6-3 |
| ITF M25 Santander | 2021/08/22 09:00 | Miguel Damas v Victor Bini | 6-1,3-6,10-7 |
| ITF M15 Xativa | 2021/08/05 16:30 | Carlos Lopez Montagud v Miguel Damas | 6-4,6-2 |
| ITF M15 Xativa | 2021/08/04 14:55 | Miguel Damas v Daniel Merida Aguilar | 4-6,6-3,7-5 |
| ITF M25 Oviedo | 2021/09/01 08:00 | Andrey Chepelev v Nicolas Alvarez | 6-4,1-6,3-6 |
| ITF M25 Oviedo | 2021/08/31 07:00 | Alejandro Mendoza v Nicolas Alvarez | 2-6,3-6 |
| Challenger Barletta | 2021/08/27 12:40 | Thiago Agustin Tirante v Nicolas Alvarez | 6-2,6-2 |
| Challenger Barletta | 2021/08/25 11:00 | Roberto Quiroz v Nicolas Alvarez | 5-7,4-6 |
| Challenger Barletta | 2021/08/24 10:55 | Nicolas Alvarez v Riccardo Bonadio | 4-6,7-6,7-5 |
| Challenger Barletta | 2021/08/23 09:00 | Nicolas Alvarez v Yan Bondarevskiy | 6-2,3-6,7-6 |
| Challenger Barletta | 2021/08/22 10:00 | Nicolas Alvarez v Marco Bortolotti | 6-4,5-7,6-2 |
| Challenger Verona | 2021/08/15 11:10 | Nicolas Alvarez v Matheus Pucinelli De Almeida | 2-6,1-6 |