Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Idanha-A-Nova | 2021/07/15 08:00 | Nicolas Moreno De Alboran v Diego F Flores | 6-7,6-4,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/14 09:35 | Dhruva Mulye v Diego F Flores | 1-6,1-6 |
| ITF M15 Almada | 2021/07/09 10:20 | Joao Lucas Reis da Silva v Diego F Flores | 6-4,7-6 |
| ITF M15 Almada | 2021/07/08 11:15 | Diego F Flores v Takuto Niki | 6-7,6-3,6-4 |
| ITF M15 Almada | 2021/07/07 10:30 | Diego F Flores v Luis Faria | 6-3,6-7,6-3 |
| ITF M25 Bakio | 2021/06/29 09:30 | Diego F Flores v Gabriel Diaz Freire | 6-1,6-7,12-14 |
| UTR Pro Tennis Series Barcelona | 2021/06/13 10:00 | Diego F Flores v Jose Joaquin M Cisneros | 6-1,6-0 |
| UTR Pro Tennis Series Barcelona | 2021/06/12 08:30 | Sergio Martos Gornes v Diego F Flores | 3-6,4-5 |
| ITF M25 Idanha-A-Nova | 2021/07/11 08:00 | Noah Berry v Michel-Alexandre Fortin | 6-1,6-0 |
| ITF M15 Irákleio | 2021/06/06 11:00 | Michel-Alexandre Fortin v Christos Keisidis | 0-6,0-6 |
| ITF M15 Irákleio | 2021/05/30 09:00 | Asaf Friedler v Michel-Alexandre Fortin | 6-1,6-0 |
| ITF M15 Irákleio | 2021/05/23 08:00 | Michel-Alexandre Fortin v Pol Wattanakul | 7-5,0-6,7-10 |
| ITF M15 Irákleio | 2021/05/17 08:00 | Michel-Alexandre Fortin v Bradley Paliska | 3-6,1-6 |
| ITF M25 La Nucia | 2021/03/14 12:00 | Michel-Alexandre Fortin v Francisco Andreu Garcia | 0-6,1-6 |
| ITF M15 La Nucia | 2021/03/08 08:00 | Michel-Alexandre Fortin v Ilya Rudiukov | 2-6,3-6 |
| ITF M25 Villena | 2021/01/31 08:30 | Michel-Alexandre Fortin v Matteo Gigante | 1-6,1-6 |