Stadium: Court 1 Round: 25 Ground: Clay
| ITF Germany F12 | 2018/08/16 11:00 | Ivan Gakhov v Kai Wehnelt | 3-6,6-3,6-4 |
| ITF Germany F12 | 2018/08/15 15:25 | Niklas Schell v Kai Wehnelt | 4-6,1-6 |
| ITF Germany F11 | 2018/08/07 13:00 | Kai Wehnelt v Benjamin Hassan | 7-6,4-6,5-7 |
| ITF Germany F10 | 2018/08/02 12:35 | Evan Furness v Kai Wehnelt | 3-6,6-4,7-5 |
| ITF Germany F10 Qual | 2018/07/30 16:45 | Kai Wehnelt v Patrick Fleischhauer | 6-3,7-6 |
| ITF Germany F10 Qual | 2018/07/30 09:00 | Kai Wehnelt v Jochen Bertsch | 6-3,7-6 |
| ITF Germany F9 | 2018/07/24 14:45 | Kai Wehnelt v Louroi Martinez | 6-0,4-6,2-6 |
| ITF Germany F8 | 2018/07/19 14:30 | Bruno Santanna v Kai Wehnelt | 6-0,6-2 |
| 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 F1 Qual | 2018/06/24 09:00 | Valentin Guenther v Bobbie De Goeijen | 2-6,3-6 |