Round: 44 Ground: Clay
| Challenger Sibiu | 2017/09/18 09:00 | Michal Dembek v Marco Cecchinato | 1-6,5-7 |
| ITF Poland F11 | 2017/09/02 11:00 | Pawel Juszczak v Michal Dembek | 7-6,6-3 |
| ITF Poland F11 | 2017/09/01 12:20 | Michal Dembek v Mateusz Kowalczyk | 7-5,6-3 |
| ITF Poland F11 | 2017/08/30 10:35 | Michal Dembek v Yahor Yatsyk | 7-6,6-2 |
| ITF Poland F11 | 2017/08/29 14:30 | Michal Dembek v Gregorio Cordonnier | 6-3,6-1 |
| ITF Poland F10 | 2017/08/26 11:55 | Zdenek Kolar v Michal Dembek | 6-4,6-3 |
| ITF Poland F10 | 2017/08/25 09:00 | Michal Dembek v Vladimir Ivanov | 6-1,6-1 |
| ITF Poland F10 | 2017/08/23 11:30 | David Norfeldt v Michal Dembek | 3-6,2-6 |