Stadium: Court 1 Round: 26
| 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 F18 | 2018/09/26 13:30 | Jonathan Gray v Joao Monteiro | 2-6,6-3,2-6 |
| ITF Portugal F17 | 2018/09/23 10:00 | Joao Monteiro v Fred Gil | 6-3,4-6,5-7 |
| ITF Portugal F17 | 2018/09/22 13:15 | Joao Monteiro v Maxime Tchoutakian | 6-4,6-2 |
| ITF Portugal F17 | 2018/09/21 09:00 | Joao Monteiro v Rafael Izquierdo Luque | 6-3,6-4 |
| ITF Portugal F17 | 2018/09/19 10:00 | Joao Monteiro v Luis Faria | 6-3,5-7,6-3 |
| 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 |
| ITF Belgium F7 Qual | 2018/08/05 08:00 | Flemming Peters v Tim Van Der Horst | 6-2,6-4 |
| ITF Belgium F7 Qual | 2018/08/04 07:30 | Arthur Hugounenq v Tim Van Der Horst | 4-6,3-6 |
| ITF Belgium F6 Qual | 2018/07/28 09:30 | Tim Van Der Horst v Teodor Giusca | 6-3,2-6,2-6 |
| ITF Belgium F4 | 2018/07/14 10:00 | Maxence Bertimon v Tim Van Der Horst | 6-3,6-2 |
| ITF Netherlands F3 | 2018/07/07 07:30 | Tim Van Der Horst v Javier Naser | 1-6,1-6 |