Estadio: Indoor P2 Round: 44 Ground: Hardcourt outdoor
| ITF Portugal F7 - Clasificación | 2018/04/08 16:00 | Miliaan Niesten v Duarte Nuno Teixeira | 6-3,6-3 |
| ITF Portugal F5 | 2018/03/21 14:10 | Pablo Vivero Gonzalez v Miliaan Niesten | 6-2,6-3 |
| ITF Portugal F5 - Clasificación | 2018/03/19 11:00 | Miliaan Niesten v Pedro Gabriel Rodrigues | 6-1,6-4 |
| ITF Portugal F5 - Clasificación | 2018/03/18 12:30 | Miliaan Niesten v Jonathan Binding | 4-6,6-3,6-1 |
| ITF Portugal F4 | 2018/03/14 11:20 | Peter Bothwell v Miliaan Niesten | 6-4,6-2 |
| ITF Portugal F4 | 2018/03/13 11:00 | Lucas Hellfritsch v Miliaan Niesten | 0-6,2-6 |
| ITF Portugal F3 | 2018/03/10 13:35 | Frederico Ferreira Silva v Miliaan Niesten | 6-2,6-3 |
| ITF Portugal F3 | 2018/03/08 13:30 | Marc-Andrea Huesler v Miliaan Niesten | 2-6,1-6 |
| ITF Portugal F7 - Clasificación | 2018/04/08 18:00 | Afonso Portugal v Daniel Batista | 4-6,2-6 |
| ITF Portugal F4 | 2018/03/15 12:10 | Tsung-Hua Yang v Daniel Batista | 6-3,6-0 |
| ITF Portugal F4 | 2018/03/13 14:45 | Daniel Batista v Jose Fco. Vidal Azorin | 7-5,6-2 |
| ITF Portugal F4 | 2018/03/12 11:00 | Carlos E. Severino v Daniel Batista | 7-6,6-3 |
| ITF Portugal F4 | 2018/03/11 11:30 | Santiago Hinojosa v Daniel Batista | 3-6,2-6 |
| ITF Portugal F4 | 2018/03/10 12:30 | Vito Dell'Elba v Daniel Batista | 4-6,3-6 |
| ITF Portugal F3 | 2018/03/05 17:00 | Luis Diego Chavez Villalpando v Daniel Batista | 4-6,6-3,6-2 |
| ITF Portugal F3 | 2018/03/03 12:00 | Felipe Muzzi v Daniel Batista | 2-6,2-6 |