Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF Portugal F5 | 2018/03/23 10:00 | Joao Monteiro v Tiago Cacao | 6-4,6-1 |
| ITF Portugal F8 | 2016/07/15 12:00 | Joao Monteiro v Tiago Cacao | 6-1,6-4 |
| ITF Portugal F8 | 2018/04/19 13:05 | Joao Monteiro v Niels Desein | 6-2,6-7,6-4 |
| ITF Portugal F8 | 2018/04/17 12:20 | Joao Monteiro v Bernardo Saraiva | 6-2,6-2 |
| ITF Portugal F7 | 2018/04/12 11:00 | Igor Sijsling v Joao Monteiro | 6-2,6-1 |
| ITF Portugal F6 | 2018/03/29 12:30 | Joao Monteiro v Frederico Ferreira Silva | 6-7,4-6 |
| ITF Portugal F6 | 2018/03/28 11:30 | Joao Monteiro v David Pichler | 7-5,7-6 |
| ITF Portugal F6 | 2018/03/27 14:55 | Joao Monteiro v Maximilian Neuchrist | 7-6,6-4 |
| ITF Portugal F5 | 2018/03/24 15:05 | Joao Monteiro v Lloyd Harris | 3-6,4-6 |
| ITF Portugal F5 | 2018/03/23 10:00 | Joao Monteiro v Tiago Cacao | 6-4,6-1 |
| ITF Portugal F8 Qual | 2018/04/17 10:00 | Tiago Cacao v Boy Westerhof | 6-1,3-6,6-3 |
| ITF Portugal F7 | 2018/04/12 16:05 | Evan Furness v Tiago Cacao | 6-4,6-0 |
| ITF Portugal F7 | 2018/04/11 09:30 | Tiago Cacao v Maxime Janvier | 6-4,7-6 |
| ITF Portugal F6 | 2018/03/27 13:25 | Tiago Cacao v Pablo Vivero Gonzalez | 1-6,4-6 |
| ITF Portugal F5 | 2018/03/23 10:00 | Joao Monteiro v Tiago Cacao | 6-4,6-1 |
| ITF Portugal F5 Qual | 2018/03/22 13:20 | Tiago Cacao v Christian Lindell | 7-5,3-6,6-3 |
| ITF Portugal F5 | 2018/03/21 12:05 | Johan Nikles v Tiago Cacao | 4-6,4-6 |
| ITF Portugal F4 | 2018/03/12 13:00 | Lamine Ouahab v Tiago Cacao | 6-4,4-6,6-4 |