Stadium: Court 1 Round: 25 Ground: Clay
| ITF - M15 Madrid | 2021/10/31 10:30 | Daniel Merida Aguilar v Diego A B Sanchez | 6-4,6-3 |
| ITF - M15 Madrid | 2021/10/30 13:45 | Coleman Wong v Diego A B Sanchez | 6-4,6-7,1-6 |
| ITF - M15 Madrid | 2021/10/29 07:30 | Vilius Gaubas v Diego A B Sanchez | 1-6,1-6 |
| ITF - M15 Madrid | 2021/10/28 11:30 | Diego A B Sanchez v Aleksandre Metreveli | 6-1,6-3 |
| ITF - M15 Madrid | 2021/10/26 09:30 | Diego A B Sanchez v Asier P D Zulueta | 6-3,6-1 |
| ITF - M15 Girona | 2021/10/21 11:20 | Alexander Weis v Diego A B Sanchez | 6-4,6-4 |
| ITF - M15 Girona | 2021/10/19 09:00 | Diego A B Sanchez v Alexis Musialek | 6-1,6-3 |
| Challenger Alicante | 2021/10/11 09:00 | Santiago Rodriguez Taverna v Diego A B Sanchez | 6-4,6-7,7-5 |
| Challenger - Tenerife | 2021/11/01 10:00 | Miguel Damas v Alexander Shevchenko | 1-6,5-7 |
| Challenger - Tenerife | 2021/10/31 13:10 | Jakub Paul v Miguel Damas | 2-6,6-2,2-6 |
| ITF - M15 Platja d'Aro | 2021/10/15 10:00 | Miguel Damas v Max Alcala Gurri | 4-6,6-2,7-6 |
| ITF - M15 Platja d'Aro | 2021/10/14 11:20 | Ivan Gakhov v Miguel Damas | 2-6,6-4,1-6 |
| ITF - M15 Platja d'Aro | 2021/10/13 08:30 | Miguel Damas v Alex Barrena | 6-4,6-4 |
| ITF - M15 Melilla | 2021/09/26 07:00 | Miguel Damas v Carlos Lopez Montagud | 6-2,3-6,1-6 |
| ITF - M15 Melilla | 2021/09/25 13:50 | Miguel Damas v Mario G Fernandez | 6-2,6-0 |
| ITF - M15 Melilla | 2021/09/25 09:00 | Lorenzo Joaquin Rodriguez v Miguel Damas | 0-6,5-7 |