Stadium: Court 3 Round: 25 Ground: Clay
| ITF Germany F13 | 2018/08/21 08:00 | Kai Wehnelt v Valentin Guenther | 7-5,6-1 |
| ITF Netherlands F3 | 2018/07/11 12:50 | Arklon H D Pino v Valentin Guenther | 3-6,6-3,7-5 |
| ITF Netherlands F3 | 2018/07/10 12:00 | Yanais Laurent v Valentin Guenther | 3-6,3-6 |
| ITF Netherlands F3 | 2018/07/07 09:30 | Valentin Guenther v Noe Khlif | 4-6,6-2,6-4 |
| ITF Netherlands F3 | 2018/07/07 08:00 | Valentin Guenther v Roland Stuurman | 3-6,6-2,6-2 |
| ITF Netherlands F2 | 2018/07/03 10:05 | Valentin Guenther v Patrik Niklas-Salminen | 4-6,3-6 |
| ITF Netherlands F2 Qual | 2018/07/02 11:45 | Valentin Guenther v Tillmann Erdbories | 6-7,6-1,2-6 |
| ITF Netherlands F2 Qual | 2018/07/01 08:00 | Valentin Guenther v Thorsten Sollie | 7-6,6-7,6-4 |
| ITF Netherlands F5 | 2018/08/24 08:00 | Manuel Guinard v Mariano Kestelboim | 7-6,3-6,6-4 |
| ITF Netherlands F5 | 2018/08/22 08:00 | Max Houkes v Mariano Kestelboim | 3-6,4-6 |
| ITF Netherlands F5 | 2018/08/21 08:00 | Maikel Borg v Mariano Kestelboim | 4-6,4-6 |
| ITF Netherlands F4 | 2018/08/18 11:00 | Mariano Kestelboim v Alexander Lazov | 3-6,2-6 |
| ITF Netherlands F4 | 2018/08/17 09:00 | Mariano Kestelboim v Titouan Droguet | 6-4,2-6,6-1 |
| ITF Netherlands F4 | 2018/08/16 08:00 | Mariano Kestelboim v Andrew Watson | 6-3,6-2 |
| ITF Netherlands F4 | 2018/08/14 07:30 | Mariano Kestelboim v Bart Stevens | 6-4,4-6,6-0 |
| ITF Austria F6 | 2018/08/10 09:00 | Alessandro Petrone v Mariano Kestelboim | 3-6,7-6,7-6 |