Stadium: Center Court Round: 45
| Challenger Marburg Qual | 2018/06/30 17:30 | Christian Lindell v George Von Massow | 7-6,7-5 |
| ITF Netherlands F1 | 2018/06/26 16:00 | George Von Massow v Andrew Watson | 6-7,6-7 |
| ITF Germany F4 | 2018/06/22 11:45 | George Von Massow v Dimitar Kuzmanov | 4-6,3-6 |
| ITF Germany F4 | 2018/06/22 08:00 | George Von Massow v Robert Strombachs | 6-2,6-3 |
| ITF Germany F4 | 2018/06/20 11:50 | George Von Massow v Lukas Ruepke | 6-4,6-2 |
| ITF Turkey F15 | 2018/04/17 07:30 | Pavel Nejedly v George Von Massow | 7-6,6-4 |
| ITF Turkey F14 | 2018/04/11 08:45 | George Von Massow v Sebastian Baez | 1-6,1-6 |
| ITF USA F4 | 2018/01/16 15:00 | George Von Massow v Maxime Chazal | 2-6,1-6 |
| Challenger Marburg Qual | 2018/06/30 13:05 | Joao Pedro Sorgi v Martin Cuevas | 4-6,3-6 |
| ITF Germany F5 | 2018/06/27 10:40 | Dominik Boehler v Joao Pedro Sorgi | 7-5,7-6 |
| ITF Germany F5 | 2018/06/25 13:00 | Joao Pedro Sorgi v Leon Hoeveler | 6-1,6-0 |
| ITF Germany F5 | 2018/06/25 09:00 | Joao Pedro Sorgi v Vincent Thierry Schneider | 7-6,6-1 |
| Challenger L'Aquila Qual | 2018/06/16 13:15 | Joao Pedro Sorgi v Liam Caruana | 4-6,2-6 |
| Challenger Caltanissetta Qual | 2018/06/10 12:45 | Martin Cuevas v Joao Pedro Sorgi | 6-1,6-0 |
| Challenger Caltanissetta Qual | 2018/06/09 14:45 | Miguel Angel Reyes-Varela v Joao Pedro Sorgi | 2-6,2-6 |
| Challenger Poznan Qual | 2018/06/03 14:15 | Clement Geens v Joao Pedro Sorgi | 0-6,6-4,6-2 |