Stadium: Center Court Round: 26 Ground: Clay
| 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 |
| ITF Qatar F6 | 2017/12/20 13:25 | Antoine Escoffier v George Von Massow | 7-6,7-5 |
| ITF Qatar F6 | 2017/12/19 17:30 | George Von Massow v Victor Ouvrard | 3-6,6-2,6-3 |
| ITF Qatar F5 | 2017/12/14 12:00 | Jurabek Karimov v George Von Massow | 6-1,1-6,6-1 |
| ITF Qatar F5 | 2017/12/13 12:00 | George Von Massow v Markus Eriksson | 4-6,6-4,6-3 |
| ITF Germany F4 | 2018/06/19 09:00 | Robert Strombachs v Daniil Klimov | 6-3,6-4 |
| ITF Germany F4 | 2018/06/18 11:00 | Leon Hoeveler v Robert Strombachs | 1-6,2-6 |
| ITF Germany F4 | 2018/06/17 12:00 | Fabian Penzkofer v Robert Strombachs | 2-6,1-6 |
| ITF Czech Republic F3 Qual | 2018/05/27 09:00 | Mateusz Terczynski v Robert Strombachs | 6-4,6-0 |
| ITF Czech Republic F1 | 2018/05/18 09:00 | Sebastian Fanselow v Robert Strombachs | 6-1,6-3 |
| ITF Czech Republic F1 | 2018/05/15 08:00 | Alessandro Ricci v Robert Strombachs | 1-6,6-3,4-6 |
| ITF Czech Republic F1 | 2018/05/14 10:50 | Robert Strombachs v Antonin Stepanek | 7-6,6-2 |
| ITF Czech Republic F1 | 2018/05/13 08:00 | Robert Strombachs v Stepan Pecak | 6-3,6-2 |