Round: 54 Ground: Hardcourt outdoor
| ITF Portugal F8 - Clasificación | 2018/04/14 10:30 | Manuel Almeida v Afonso Portugal | 6-2,4-6,7-6 |
| ITF Portugal F7 - Clasificación | 2018/04/08 18:00 | Afonso Portugal v Daniel Batista | 4-6,2-6 |
| ITF Portugal F7 - Clasificación | 2018/04/07 15:30 | Joao Guerra v Afonso Portugal | 3-6,6-2,4-6 |
| ITF Portugal F4 | 2018/03/10 11:00 | Afonso Portugal v Laelson Rodrigues | 6-7,6-1,4-6 |
| ITF Portugal F3 | 2018/03/03 14:00 | Manuel Montalvo Hidalgo v Afonso Portugal | 6-2,6-4 |
| ITF Portugal F2 - Clasificación | 2018/02/25 10:00 | Afonso Portugal v Daniel Batista | 0-6,3-6 |
| ITF Portugal F2 - Clasificación | 2018/02/24 10:00 | Pelle Boerma v Afonso Portugal | 1-6,6-7 |
| ITF Portugal F1 | 2018/02/17 10:00 | Afonso Portugal v Enrique L Rico | 1-6,4-6 |