Stadium: Court 10 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Sintra | 2021/09/13 12:00 | John Echeverria v Bernardo Teixeira | 6-0,6-1 |
| ITF M25 Sintra | 2021/09/10 09:00 | Duarte Vale v John Echeverria | 7-6,6-3 |
| ITF M25 Sintra | 2021/09/09 10:45 | John Echeverria v Antoine Escoffier | 6-4,6-3 |
| ITF M25 Sintra | 2021/09/08 11:25 | John Echeverria v Fabio Coelho | 2-6,7-6,7-5 |
| ITF M25 Sintra | 2021/09/07 08:30 | Alejandro Moro Canas v John Echeverria | 2-6,6-2,7-10 |
| ITF M25 Sintra | 2021/09/06 08:30 | George Davies v John Echeverria | 1-6,1-6 |
| Challenger Segovia | 2021/07/25 10:25 | John Echeverria v Alessandro Bega | 6-7,1-6 |
| ITF M25 Idanha-A-Nova | 2021/07/20 10:40 | John Echeverria v Daniel Little | 3-6,4-6 |
| ITF M25 Sintra | 2021/09/13 14:55 | Eduardo Morais v Mikel Martinez | 6-2,3-6,6-10 |
| ITF M25 Sintra | 2021/09/06 12:30 | Mikel Martinez v Daniel Little | 3-6,3-6 |
| ITF M25 Oviedo | 2021/08/30 07:50 | Diego A B Sanchez v Mikel Martinez | 6-3,6-1 |
| ITF M25 Oviedo | 2021/08/29 07:50 | Daniel L Salmeron v Mikel Martinez | 4-6,3-6 |
| ITF M25 Idanha-A-Nova | 2021/07/18 13:00 | Luca Sanchez v Mikel Martinez | 6-7,6-4,10-7 |
| ITF M15 Marbella | 2021/05/24 08:00 | Michael Zhu v Mikel Martinez | 7-6,3-6,10-3 |
| ITF M25 Vale Do Lobo | 2021/03/07 10:30 | Louis Dussin v Mikel Martinez | 7-5,6-0 |
| ITF M15 Getafe Madrid | 2020/11/30 11:30 | Mikel Martinez v Miguel Damas | 2-6,0-6 |