| ITF Portugal F14 Qual | 2017/07/30 10:30 | Joao Guerra v Afonso Portugal | 2-6,3-6 |
| ITF Portugal F14 Qual | 2017/07/29 10:00 | Afonso Portugal v Bernardo Roque | 6-1,6-2 |
| ITF Portugal F13 | 2017/07/26 09:00 | Afonso Portugal v Tyler Hochwalt | 1-6,1-6 |
| ITF Portugal F12 | 2017/07/15 12:00 | Diogo Lourenco v Afonso Portugal | 6-1,6-4 |
| ITF Portugal F11 Qual | 2017/07/09 10:30 | Arthur Weber v Afonso Portugal | 6-1,6-0 |
| ITF Portugal F11 Qual | 2017/07/08 13:30 | Enric Guaita-Pais v Afonso Portugal | 2-6,3-6 |
| ITF Portugal F10 | 2017/07/01 09:00 | Afonso Portugal v Pedro Gabriel Rodrigues | 5-7,6-7 |
| ITF Portugal F9 | 2017/06/26 10:30 | Benjamin Hannestad v Afonso Portugal | 6-3,6-1 |
| ITF Portugal F14 Qual | 2017/07/30 10:30 | Manuel Almeida v Mateo Barreiros Reyes | 6-3,4-6,6-7 |