Stadium: Court 3 Round: 29 Ground: Clay
| ITF M15 Madrid | 2021/10/30 12:00 | Lucas Bouquet v Daniel Merida Aguilar | 4-6,2-6 |
| ITF M15 Madrid | 2021/10/29 07:30 | Daniel Merida Aguilar v Francisco Andreu Garcia | 6-4,6-4 |
| ITF M15 Madrid | 2021/10/28 12:15 | Kuzey Cekirge v Daniel Merida Aguilar | 7-6,3-6,3-6 |
| ITF M15 Madrid | 2021/10/27 12:15 | Bruno P Navarro v Daniel Merida Aguilar | 6-1,4-6,2-6 |
| ITF M15 Girona | 2021/10/19 11:40 | Daniel Merida Aguilar v Yan Bondarevskiy | 4-6,3-6 |
| Challenger Alicante | 2021/10/10 08:30 | Santiago Rodriguez Taverna v Daniel Merida Aguilar | 6-1,6-7,6-3 |
| ITF M15 Platja D'Aro | 2021/10/07 14:25 | Daniel Merida Aguilar v Guy Den Heijer | 3-6,2-6 |
| ITF M15 Platja D'Aro | 2021/10/05 10:45 | Alexander Weis v Daniel Merida Aguilar | 4-6,3-6 |
| 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 Alicante | 2021/10/10 11:00 | Diego A B Sanchez v Wojciech Marek | 6-4,6-3 |