Stadium: Indoor P3 Round: 44 Ground: Hardcourt outdoor
| ITF Portugal F6 Qual | 2018/03/26 10:00 | Adrien Bossel v Duarte Nuno Teixeira | 6-1,6-3 |
| ITF Portugal F5 Qual | 2018/03/18 14:30 | Pedro Gabriel Rodrigues v Duarte Nuno Teixeira | 6-0,6-2 |
| ITF Portugal F2 Qual | 2018/02/24 10:00 | Bart Van Den Berg v Duarte Nuno Teixeira | 6-1,6-0 |
| ITF Portugal F21 | 2017/10/01 13:00 | Aleksei Nerushenko v Duarte Nuno Teixeira | 7-6,6-1 |
| ITF Portugal F20 Qual | 2017/09/23 09:30 | Duarte Nuno Teixeira v Nathan Lavanchy | 5-7,2-6 |
| ITF Portugal F19 | 2017/09/16 10:00 | Tomas Almeida v Duarte Nuno Teixeira | 6-2,6-1 |
| ITF Portugal F17 | 2017/08/19 10:30 | Richard Yang v Duarte Nuno Teixeira | 6-3,6-0 |
| ITF Portugal F13 | 2017/07/23 10:30 | Davide Albertoni v Duarte Nuno Teixeira | 6-1,6-1 |
| ITF Portugal F6 Qual | 2018/03/24 10:00 | Russell Henderson v Laelson Rodrigues | 6-4,4-6,6-2 |
| ITF Portugal F5 Qual | 2018/03/18 17:00 | Jaime Fermosell v Laelson Rodrigues | 6-4,6-0 |
| ITF Portugal F5 Qual | 2018/03/18 11:30 | Hugo Maia v Laelson Rodrigues | 6-4,4-6,4-6 |
| ITF Portugal F4 | 2018/03/11 11:30 | Carlos E. Severino v Laelson Rodrigues | 6-1,6-0 |
| ITF Portugal F4 | 2018/03/10 11:00 | Afonso Portugal v Laelson Rodrigues | 6-7,6-1,4-6 |
| ITF Portugal F3 | 2018/03/05 12:30 | Jordan Chiu v Laelson Rodrigues | 2-6,4-6 |
| ITF Portugal F3 | 2018/03/05 10:00 | Laelson Rodrigues v Yanik Kaelin | 3-6,0-6 |
| ITF Chile F3 | 2017/12/03 14:00 | Fermin Tenti v Laelson Rodrigues | 6-3,6-4 |