Stadium: Center Court Round: 44 Ground: Clay
| ITF Hungary F3 Qual | 2018/05/21 08:00 | Nick Cmager v Tim Van Der Horst | 6-4,6-0 |
| ITF Hungary F3 Qual | 2018/05/20 08:00 | Pelle Boerma v Tim Van Der Horst | 1-6,3-6 |
| 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 Germany F4 | 2018/06/20 11:45 | Roy Sarut De Valk v Matthew Dellavedova | 6-7,7-5,0-6 |
| ITF Germany F4 | 2018/06/20 10:30 | Roy Sarut De Valk v Matthew Dellavedova | 6-7,7-5,0-5 |
| ITF Germany F4 | 2018/06/18 11:00 | Roy Sarut De Valk v Karlo Cubelic | 6-1,6-1 |
| ITF Kuwait F1 Qual | 2017/10/28 10:00 | Roy Sarut De Valk v Yuichiro Inui | 5-7,1-6 |
| ITF Netherlands F5 | 2017/08/14 12:00 | Roy Sarut De Valk v Joris Bodin | 7-6,6-7,7-6 |
| ITF Netherlands F5 | 2017/08/13 08:00 | Roy Sarut De Valk v Tom Clavel | 6-3,6-1 |
| ITF Belgium F8 Qual | 2017/08/07 08:00 | Cristopher Kohl v Roy Sarut De Valk | 2-6,6-2,7-6 |
| ITF Belgium F8 Qual | 2017/08/06 07:30 | Marcelo Plaza v Roy Sarut De Valk | 5-7,4-6 |