Round: 44 Ground: Clay
| 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 |
| ITF Germany F6 | 2017/07/02 08:00 | Niklas Schell v Moritz Pfaff | 6-4,1-6,6-3 |
| ITF Germany F6 | 2016/07/03 12:00 | Vincent Jaensch-Mueller v Moritz Pfaff | 6-3,6-2 |
| ITF Germany F2 Qual | 2016/01/17 12:00 | Moritz Pfaff v Daniel Pashayan | 0-6,1-6 |
| ITF Germany F8 Qual | 2015/07/19 08:30 | Leon Hoeveler v Moritz Pfaff | 6-0,6-4 |
| ITF Germany F6 | 2015/07/06 08:00 | Moritz Pfaff v Benjamin Hassan | 1-6,2-6 |