Stadium: Court 1 Round: 26
| ITF Portugal F19 | 2018/10/04 13:05 | Joao Monteiro v Tim Van Der Horst | 6-4,6-2 |
| 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 F19 | 2018/10/06 11:00 | Joao Monteiro v Raphael Baltensperger | 6-4,6-4 |
| ITF Portugal F19 | 2018/10/05 11:00 | Joao Monteiro v Jorge Blanco Guadalupe | 6-2,1-6,6-1 |
| ITF Portugal F19 | 2018/10/04 13:05 | Joao Monteiro v Tim Van Der Horst | 6-4,6-2 |
| ITF Portugal F19 | 2018/10/03 10:40 | Joao Monteiro v Fabio Coelho | 6-3,6-1 |
| ITF Portugal F18 | 2018/09/28 11:10 | Tiago Cacao v Joao Monteiro | 4-6,6-3,6-2 |
| ITF Portugal F18 | 2018/09/27 12:00 | Wilfredo Gonzalez v Joao Monteiro | 2-6,4-6 |
| ITF Portugal F20 | 2018/10/10 11:00 | Tim Van Der Horst v Pedro Gabriel Rodrigues | 6-3,7-6 |
| ITF Portugal F20 | 2018/10/08 09:00 | Tomas Almeida v Tim Van Der Horst | 1-6,2-6 |
| ITF Portugal F20 | 2018/10/07 08:00 | Tim Van Der Horst v Andre Rodeia | 6-2,6-1 |
| ITF Portugal F20 | 2018/10/06 11:00 | Tim Van Der Horst v Roman Revkov | 6-3,6-1 |
| ITF Portugal F19 | 2018/10/04 13:05 | Joao Monteiro v Tim Van Der Horst | 6-4,6-2 |
| ITF Portugal F19 | 2018/10/03 09:00 | Tim Van Der Horst v Goncalo Ferreira | 6-4,6-4 |
| ITF Netherlands F5 | 2018/08/18 08:00 | Ruben Konings v Tim Van Der Horst | 6-2,6-2 |
| ITF Netherlands F4 | 2018/08/11 09:00 | Maikel Borg v Tim Van Der Horst | 3-6,6-1,6-1 |