Stadium: Center Court Round: 25 Ground: Clay
| ITF Spain F20 | 2018/07/24 08:00 | Alberto Barroso Campos v Johan Nikles | 7-6,7-5 |
| ITF France F14 | 2018/07/20 14:00 | Constantin Bittoun Kouzmine v Johan Nikles | 6-3,3-6,6-4 |
| ITF France F14 | 2018/07/18 11:30 | Maxence Beauge v Johan Nikles | 6-7,3-6 |
| ITF France F14 | 2018/07/16 15:30 | Johan Nikles v Maxime Chazal | 6-4,6-4 |
| ITF Spain F18 | 2018/07/12 12:00 | Johan Nikles v Pedro Cachin | 3-6,1-6 |
| ITF Spain F18 | 2018/07/09 10:15 | Johan Nikles v Luis Diego Chavez Villalpando | 6-2,6-1 |
| ITF Tunisia F25 | 2018/07/01 09:00 | Juan Ignacio Galarza v Johan Nikles | 6-3,7-6 |
| ITF Tunisia F25 | 2018/06/30 10:40 | Nikolas Sanchez Izquierdo v Johan Nikles | 0-6,6-3,4-6 |
| ITF Switzerland F3 | 2018/08/20 08:40 | Gilles Eckert v Luca Keist | 1-6,1-6 |
| ITF Switzerland F3 | 2018/08/19 11:00 | Luca Keist v Yannik Steinegger | 6-4,3-6,6-3 |
| ITF Morocco F2 | 2018/07/22 09:00 | Ivan Krivic v Luca Keist | 7-6,6-3 |
| ITF Morocco F2 | 2018/07/21 09:30 | Luca Keist v Viacheslav Glebov | 6-0,6-0 |
| ITF Morocco F1 | 2018/07/14 13:30 | Luca Keist v Quentin Folliot | 3-6,1-6 |
| ITF Israel F11 | 2018/06/27 09:05 | Luca Keist v Tigre Hank | 2-6,1-6 |
| ITF Israel F11 | 2018/06/25 07:00 | Luca Keist v Daniel Dudockin | 7-5,6-0 |
| ITF Israel F10 | 2018/06/19 08:10 | Luca Keist v Cameron Green | 3-6,2-6 |