Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Sintra | 2021/09/13 12:00 | Afonso Portugal v Alan F R Fierros | 2-6,2-6 |
| ITF M15 Castelo Branco | 2021/07/26 11:00 | Afonso Portugal v Raphael Lambling | 3-6,1-6 |
| ITF M15 Castelo Branco | 2021/07/25 08:00 | Afonso Portugal v Angel G Melgar | 6-1,3-6,10-6 |
| ITF M25 Vale Do Lobo | 2021/03/07 12:00 | Afonso Portugal v Lukas H Lilleengen | 2-6,2-6 |
| ITF M25 Faro | 2021/03/01 14:00 | Edouard Villoslada v Afonso Portugal | 6-1,6-0 |
| ITF M25 Faro | 2021/02/28 15:00 | Afonso Portugal v Eduardo Morais | 4-6,6-2,10-7 |
| ITF M25 Vale Do Lobo | 2021/02/22 10:30 | Ugo Blanchet v Afonso Portugal | 6-1,6-3 |
| ITF M25 Porto | 2020/09/27 12:30 | Afonso Portugal v Andrea Basso | 1-6,1-6 |