Stadium: Court 6 Round: 44 Ground: Clay
| ITF Netherlands F2 Qual | 2018/07/02 08:00 | Tim Van Terheijden v Javier Naser | 6-4,4-6,4-6 |
| ITF Greece F3 | 2018/03/15 09:25 | Tim Van Terheijden v Adrian Bodmer | 6-7,6-7 |
| ITF Greece F3 | 2018/03/14 11:20 | Giorgio Ricca v Tim Van Terheijden | 4-6,4-6 |
| ITF Greece F3 | 2018/03/12 08:00 | Tim Van Terheijden v Robert Strombachs | 6-3,6-0 |
| ITF Greece F3 | 2018/03/11 08:00 | Tim Van Terheijden v Cristopher Kohl | 6-1,6-0 |
| ITF Greece F2 | 2018/03/07 10:00 | Tim Van Terheijden v Jonathan Gray | 6-7,0-6 |
| ITF Greece F2 | 2018/03/05 07:30 | Tim Van Terheijden v Jacopo Berrettini | 6-3,3-6,6-2 |
| ITF Greece F2 | 2018/03/04 09:30 | Tim Van Terheijden v Nicolas Acevedo | 7-6,6-3 |
| ITF Netherlands F4 | 2018/08/11 09:00 | Jesse Paul Krattiger v Zachary Eisinga | 4-6,3-6 |
| ITF Belgium F6 | 2018/08/01 13:00 | Zachary Eisinga v Alexis Klegou | 2-6,5-7 |
| ITF Belgium F6 Qual | 2018/07/30 08:00 | Raphael Lambling v Zachary Eisinga | 6-4,2-6,1-6 |
| ITF Belgium F6 Qual | 2018/07/29 11:40 | Zachary Eisinga v Maxence Bertimon | 3-6,6-3,6-0 |
| ITF Belgium F6 Qual | 2018/07/28 09:30 | Alban Meuffels v Zachary Eisinga | 6-3,5-7,2-6 |
| ITF Belgium F5 | 2018/07/21 08:30 | Zachary Eisinga v Nick Broekhof | 6-7,6-4,3-6 |
| ITF Netherlands F3 | 2018/07/08 11:30 | Zachary Eisinga v Miguel Fernando Pereira | 6-1,3-6,2-6 |
| ITF Netherlands F3 | 2018/07/07 14:00 | Zachary Eisinga v Noah Berry | 6-3,6-1 |