Stadium: Court 6 Vale do Lobo Round: 27
| ITF Portugal F21 | 2018/10/17 09:00 | Joao Monteiro v Raphael Baltensperger | 6-2,6-3 |
| ITF Portugal F21 | 2018/10/16 14:00 | Joao Monteiro v Javier Pulgar-Garcia | 6-1,6-4 |
| ITF Portugal F20 | 2018/10/14 08:30 | Joao Monteiro v Peter Goldsteiner | 6-2,6-0 |
| ITF Portugal F20 | 2018/10/13 11:35 | Joao Monteiro v Ryan Shane | 6-2,6-1 |
| ITF Portugal F20 | 2018/10/12 10:00 | Joao Monteiro v Justin Butsch | 6-2,6-1 |
| ITF Portugal F20 | 2018/10/11 14:45 | Joao Monteiro v Tim Van Der Horst | 6-4,6-4 |
| ITF Portugal F20 | 2018/10/10 10:30 | Joao Monteiro v George Davies | 6-2,6-4 |
| ITF Portugal F19 | 2018/10/07 09:30 | Joao Monteiro v Fred Gil | 2-6,5-7 |
| ITF Portugal F21 | 2018/10/17 09:00 | Martim L Prata v Jakob Johansson-Holm | 7-5,7-6 |
| ITF Portugal F21 | 2018/10/16 14:00 | Antonio Pedro Pragana v Martim L Prata | 1-6,1-6 |
| ITF Portugal F21 | 2018/10/15 10:00 | Miguel Semedo v Martim L Prata | 2-6,7-5,3-6 |
| ITF Portugal F21 | 2018/10/14 10:00 | Marcos Torralbo-Albos v Martim L Prata | 3-6,7-5,2-6 |
| ITF Portugal F19 | 2018/10/02 11:10 | Jonas Merckx v Martim L Prata | 6-3,6-3 |
| ITF Portugal F18 | 2018/09/25 09:00 | Riccardo Maiga v Martim L Prata | 6-2,7-5 |
| ITF Portugal F17 | 2018/09/17 14:30 | Pedro Gabriel Rodrigues v Martim L Prata | 3-6,7-6,6-2 |
| ITF Portugal F16 | 2018/08/21 10:00 | Tiago Cacao v Martim L Prata | 6-4,6-4 |