Stadium: Court 2 Round: 26 Ground: Clay
| 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 Tashi, Vullnet | 4-6,2-6 |
| ITF Spain F10 Qual | 2018/04/22 14:00 | Ryan Nijboer v Cannell, Joel | 2-6,6-4,6-4 |
| ITF Spain F10 Qual | 2018/04/21 11:00 | Ryan Nijboer v Stepanov Zyabtchenko, Felipe | 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 Manafov, Vladyslav | 6-7,7-6,6-7 |
| ITF Egypt F11 | 2018/03/26 08:00 | Ryan Nijboer v van Buuren, Ilco | 6-4,6-2 |
| ITF Egypt F11 | 2018/03/25 08:00 | Ryan Nijboer v Albertoni, Davide | 7-5,6-2 |
| ITF Belgium F1 | 2018/06/19 13:40 | Gelhardt, Luca v Geens, Clement | 3-6,4-6 |
| ITF Belgium F1 | 2018/06/19 11:00 | Gelhardt, Luca v Geens, Clement | 3-6,4-5 |
| ITF Spain F15 | 2018/06/17 09:30 | Geens, Clement v Sumit Sarkar | 7-5,7-5 |
| ITF Spain F15 | 2018/06/16 17:00 | Vivero Gonzalez, Pablo v Geens, Clement | 5-7,4-6 |
| ITF Spain F15 | 2018/06/14 15:00 | John Echeverria v Geens, Clement | 2-6,1-6 |
| ITF Spain F15 | 2018/06/13 15:00 | Alberto Barroso Campos v Geens, Clement | 3-6,6-3,2-6 |
| ITF Spain F15 Qual | 2018/06/11 08:00 | Geens, Clement v Molino, Javier | 6-3,6-4 |
| ITF Spain F15 Qual | 2018/06/10 11:30 | Geens, Clement v Guerrero Melgar, Angel | 7-5,6-1 |