Stadium: Pista 5 Round: 25 Ground: Clay
| 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 |
| Challenger Murcia | 2021/09/26 09:00 | Emilio Nava v Daniel Merida Aguilar | 6-3,6-2 |
| ITF M15 Melilla | 2021/09/24 09:00 | Daniel Merida Aguilar v Oscar Mesquida Berg | 7-5,3-6,3-6 |
| ITF M25 Santander | 2021/08/24 09:00 | Rio Noguchi v Daniel Merida Aguilar | 6-0,6-2 |
| ITF M15 Xativa | 2021/08/04 14:55 | Miguel Damas v Daniel Merida Aguilar | 4-6,6-3,7-5 |
| ITF M25 Gandia | 2021/07/23 09:40 | Javier Barranco Cosano v Daniel Merida Aguilar | 6-1,6-3 |
| ITF M15 Sozopol | 2021/10/17 08:10 | Billy Harris v Yan Bondarevskiy | 2-6,3-6 |
| ITF M15 Sozopol | 2021/10/16 09:30 | Yan Bondarevskiy v Andrew Paulson | 6-4,6-4 |
| ITF M15 Sozopol | 2021/10/15 09:00 | Hazem Naw v Yan Bondarevskiy | 3-6,2-6 |
| ITF M15 Sozopol | 2021/10/14 15:45 | Yanaki Milev v Yan Bondarevskiy | 3-6,4-6 |
| ITF M15 Sozopol | 2021/10/13 15:10 | Stefan Palosi v Yan Bondarevskiy | 4-6,6-2,8-10 |
| ITF M15 Sozopol | 2021/10/09 07:00 | Billy Harris v Yan Bondarevskiy | 6-3,3-6,7-6 |
| ITF M15 Sozopol | 2021/10/08 07:00 | Yan Bondarevskiy v Alexander Cozbinov | 1-6,6-2,6-1 |
| ITF M15 Sozopol | 2021/10/07 07:00 | Yan Bondarevskiy v Yannik Steinegger | 6-3,6-4 |