Stadium: Wisla Centrum 1 Round: 26 Ground: Clay
| ITF Poland F1 | 2018/05/01 07:30 | Michal Dembek v Vasil Kirkov | 6-1,6-0 |
| ITF Kazakhstan F4 | 2018/04/16 11:25 | Ilya Vasilyev v Michal Dembek | 6-4,6-3 |
| ITF Kazakhstan F3 | 2018/04/11 06:35 | Artem Dubrivnyy v Michal Dembek | 6-1,6-3 |
| ITF Kazakhstan F3 | 2018/04/10 08:30 | Ilya Vasilyev v Michal Dembek | 2-6,3-6 |
| ITF Qatar F2 | 2018/03/06 12:00 | Jeroen Vanneste v Michal Dembek | 2-6,3-6 |
| ITF Tunisia F6 | 2018/02/13 10:55 | Johan Sebastien Tatlot v Michal Dembek | 4-6,6-2,6-1 |
| ITF Tunisia F5 | 2018/02/06 15:20 | David Guez v Michal Dembek | 7-6,6-2 |
| Challenger Sibiu | 2017/09/18 09:00 | Michal Dembek v Marco Cecchinato | 1-6,5-7 |
| ITF Poland F1 | 2018/05/01 09:10 | Yann Wojcik v Daniel Michalski | 3-6,4-6 |
| Davis Cup | 2018/04/08 13:25 | Daniel Michalski v Mark Chigaazira | 6-3,6-4 |
| ITF Italy F5 Qual | 2018/03/27 09:00 | Constantin Christ v Daniel Michalski | 0-6,6-4,6-4 |
| ITF Poland F6 | 2017/07/20 10:40 | Daniel Michalski v Adam Chadaj | 1-6,5-7 |
| ITF Poland F6 | 2017/07/18 14:35 | Daniel Michalski v Michal Bedra | 6-2,6-2 |
| ITF Poland F5 | 2017/07/13 14:05 | Elliot Benchetrit v Daniel Michalski | 6-0,6-3 |
| ITF Poland F5 | 2017/07/10 11:35 | Daniel Michalski v Wojciech Marek | 6-1,7-6 |
| ITF Poland F2 | 2017/06/22 10:00 | Maxime Tabatruong v Daniel Michalski | 6-1,7-5 |