Stadium: Court 5 Round: 62 Ground: Clay
| ITF Portugal F4 | 2018/03/10 11:00 | Tim Van Der Horst v Pelle Boerma | 6-2,6-3 |
| ITF Netherlands F7 | 2017/08/26 08:00 | Tim Van Der Horst v Pelle Boerma | 6-3,3-6,1-6 |
| ITF Turkey F14 | 2018/04/08 07:30 | Maxim Ratniuk v Pelle Boerma | 6-2,6-4 |
| ITF Turkey F14 | 2018/04/07 09:30 | Lucas Gessner v Pelle Boerma | 0-6,3-6 |
| ITF Turkey F13 | 2018/03/31 06:30 | Ivan Davydov v Pelle Boerma | 6-4,6-3 |
| ITF Portugal F6 Qual | 2018/03/26 11:50 | Robin Stanek v Pelle Boerma | 6-1,6-4 |
| ITF Portugal F6 Qual | 2018/03/25 09:00 | Pelle Boerma v Tomas Almeida | 3-6,7-6,6-3 |
| ITF Portugal F5 Qual | 2018/03/19 10:00 | Johan Nikles v Pelle Boerma | 6-3,6-4 |
| ITF Portugal F5 Qual | 2018/03/18 11:30 | Francisco Oliveira v Pelle Boerma | 6-1,5-7,4-6 |
| ITF Portugal F4 | 2018/03/10 11:00 | Tim Van Der Horst v Pelle Boerma | 6-2,6-3 |
| ITF Hungary F2 Qual | 2018/05/13 08:00 | Mihnea L.S. Turcu v Tim Van Der Horst | 7-6,6-3 |
| ITF Hungary F2 Qual | 2018/05/12 08:00 | Daniel Cozma v Tim Van Der Horst | 3-6,6-7 |
| ITF Poland F2 | 2018/05/06 08:00 | David Damian Brna v Tim Van Der Horst | 4-6,6-3,6-3 |
| ITF Poland F1 | 2018/04/29 07:00 | Antonin Bolardt v Tim Van Der Horst | 7-6,6-3 |
| ITF Portugal F4 | 2018/03/11 11:30 | Tim Van Der Horst v Andres F Canovas | 1-6,1-6 |
| ITF Portugal F4 | 2018/03/10 11:00 | Tim Van Der Horst v Pelle Boerma | 6-2,6-3 |
| ITF Portugal F3 | 2018/03/05 14:00 | Fernando Bogajo v Tim Van Der Horst | 7-6,6-1 |
| ITF Portugal F2 Qual | 2018/02/25 10:00 | Erik Crepaldi v Tim Van Der Horst | 6-2,6-0 |