Round: 44 Ground: Clay
| ITF Polonia F4 | 2018/05/20 11:00 | Michal Dembek v Daniel Vrba | 6-2,6-3 |
| ITF Polonia F3 | 2018/05/18 10:00 | Marek Jaloviec v Michal Dembek | 7-5,6-2 |
| ITF Polonia F3 | 2018/05/15 07:30 | Facundo Jofre v Michal Dembek | 2-6,2-6 |
| ITF Polonia F1 | 2018/05/05 10:00 | Michal Dembek v Michael Vrbensky | 7-5,6-7,1-6 |
| ITF Polonia F1 | 2018/05/04 12:15 | Michal Dembek v Pascal Meis | 7-5,3-6,6-3 |
| ITF Polonia F1 | 2018/05/02 08:00 | Michal Dembek v Daniel Michalski | 6-2,3-6,7-5 |
| ITF Polonia F1 | 2018/05/01 07:30 | Michal Dembek v Vasil Kirkov | 6-1,6-0 |
| ITF Kazakistan F4 | 2018/04/16 11:25 | Ilya Vasilyev v Michal Dembek | 6-4,6-3 |
| ITF Polonia F4 | 2018/05/20 11:00 | Filip Kolasinski v Sean Collins | 6-3,6-3 |