Stadium: Court 4 Round: 62
| ITF Poland F8 | 2018/08/19 11:00 | Robert Strombachs v Noe Sytkow | 6-0,6-1 |
| ITF Germany F12 | 2018/08/15 13:35 | Robert Strombachs v Johannes Bangratz | 2-6,5-7 |
| ITF Germany F12 | 2018/08/13 10:00 | Robert Strombachs v Tim Handel | 6-1,7-5 |
| ITF Germany F12 | 2018/08/12 13:00 | Robert Strombachs v Jochen Bertsch | 6-3,7-5 |
| ITF Germany F12 | 2018/08/12 08:00 | Robert Strombachs v Feda Bilic | 7-6,6-4 |
| ITF Germany F7 | 2018/07/09 08:00 | Robert Strombachs v Aziz Kijametovic | 6-3,3-6,1-6 |
| ITF Germany F6 | 2018/07/04 10:00 | Robert Strombachs v Christoph Negritu | 2-6,1-6 |
| ITF Germany F6 | 2018/07/03 08:30 | Robert Strombachs v Moritz Pfaff | 3-6,6-2,6-1 |
| ITF Poland F7 | 2018/08/14 14:50 | Piotr Grynkowski v Vladyslav Orlov | 5-7,0-6 |
| ITF Poland F7 | 2018/08/13 10:20 | Piotr Grynkowski v Mikolaj Borkowski | 6-3,6-3 |
| ITF Poland F7 | 2018/08/12 11:00 | Piotr Grynkowski v Marco Di Maro | 7-5,6-3 |
| ITF Poland F6 | 2018/08/07 08:00 | Szymon Walkow v Piotr Grynkowski | 6-3,6-2 |
| ITF Ireland F1 Qual | 2018/07/30 09:30 | Piotr Grynkowski v Jonathan Binding | 4-6,2-6 |
| ITF Czech Republic F5 Qual | 2018/07/02 10:00 | Piotr Grynkowski v Antonin Stepanek | 2-6,0-6 |
| ITF Czech Republic F5 Qual | 2018/07/01 08:00 | Piotr Grynkowski v Michal Skonieczny | 6-2,6-3 |
| ITF Poland F4 | 2018/05/22 08:55 | Pawel Juszczak v Piotr Grynkowski | 6-2,6-3 |