Stadium: Court 6 Round: 26 Ground: Clay
| ITF Netherlands F1 | 2018/06/27 10:40 | Gabriel Decamps v Stephan Gerritsen | 3-6,6-0,4-6 |
| ITF Belgium F1 | 2018/06/20 08:00 | Kenneth Raisma v Stephan Gerritsen | 7-6,6-4 |
| ITF Turkey F20 | 2018/05/23 09:50 | Cengiz Aksu v Stephan Gerritsen | 6-4,6-2 |
| ITF Nigeria F3 | 2018/05/01 09:00 | Dalwinder Singh v Stephan Gerritsen | 6-2,7-6 |
| ITF Nigeria F3 Qual | 2018/04/29 10:30 | Stephan Gerritsen v Tukhula Jacobs | 6-7,7-6,6-1 |
| ITF Nigeria F2 | 2018/04/27 10:00 | Maximilian Neuchrist v Stephan Gerritsen | 6-2,6-1 |
| ITF Nigeria F2 | 2018/04/26 10:30 | Stephan Gerritsen v Markus Eriksson | 6-7,6-3,6-4 |
| ITF Nigeria F2 | 2018/04/24 09:00 | Diego Matos v Stephan Gerritsen | 6-3,3-6,4-6 |
| ITF Netherlands F1 | 2018/06/27 10:45 | Ryan Nijboer v Paul Barretto | 6-4,7-6 |
| ITF Belgium F1 | 2018/06/21 11:05 | Ryan Nijboer v Clement Geens | 2-6,1-6 |
| ITF Belgium F1 | 2018/06/19 08:00 | Ryan Nijboer v Gauthier Onclin | 6-2,7-5 |
| ITF Spain F10 Qual | 2018/04/23 09:00 | Ryan Nijboer v Vullnet Tashi | 4-6,2-6 |
| ITF Spain F10 Qual | 2018/04/22 14:00 | Ryan Nijboer v Joel Cannell | 2-6,6-4,6-4 |
| ITF Spain F10 Qual | 2018/04/21 11:00 | Ryan Nijboer v Felipe S Zyabtchenko | 6-4,6-4 |
| ITF Spain F9 Qual | 2018/04/15 10:30 | Ryan Nijboer v Nikolas Sanchez Izquierdo | 3-6,3-6 |
| ITF Egypt F11 | 2018/03/28 10:15 | Ryan Nijboer v Vladyslav Manafov | 6-7,7-6,6-7 |