Stadium: Wisla Centrum 1 Round: 25 Ground: Clay
| ITF Kazakhstan F4 | 2018/04/16 11:25 | Vasilyev, Ilya v Dembek, Michal | 6-4,6-3 |
| ITF Kazakhstan F3 | 2018/04/11 06:35 | Dubrivnyy, Artem v Dembek, Michal | 6-1,6-3 |
| ITF Kazakhstan F3 | 2018/04/10 08:30 | Vasilyev, Ilya v Dembek, Michal | 2-6,3-6 |
| ITF Qatar F2 | 2018/03/06 12:00 | Vanneste, Jeroen v Dembek, Michal | 2-6,3-6 |
| Tunisia F6, Singles Qualifying | 2018/02/13 10:55 | Tatlot, Johan Sebastien v Dembek, Michal | 4-6,6-2,6-1 |
| ITF Tunisia F5 | 2018/02/06 15:20 | Guez, David v Dembek, Michal | 7-6,6-2 |
| Challenger Sibiu | 2017/09/18 09:00 | Dembek, Michal v Marco Cecchinato | 1-6,5-7 |
| ITF Poland F11 | 2017/09/02 11:00 | Pawel Juszczak v Dembek, Michal | 7-6,6-3 |
| ITF Poland F1 | 2018/04/30 07:00 | Kirkov, Vasil v Nazaruk, Dominik | 6-4,6-3 |
| ITF USA F10 | 2018/04/12 17:20 | Kirkov, Vasil v Collin Altamirano | 1-6,7-5,2-6 |
| ITF USA F10 | 2018/04/11 15:00 | Findel-Hawkins, Jack v Kirkov, Vasil | 5-7,6-7 |
| ITF USA F10 Qual | 2018/04/10 15:00 | Shabaz, Michael v Kirkov, Vasil | 5-7,7-6,6-3 |
| ITF USA F10 Qual | 2018/04/09 15:00 | Daciek, Patrick v Kirkov, Vasil | 7-5,2-6,1-6 |
| ITF USA F8 Qual | 2018/03/17 17:00 | Kirkov, Vasil v Verbeek, Sem | 4-6,3-6 |
| ITF USA F7 Qual | 2018/03/12 19:45 | Appelgren, Daniel v Kirkov, Vasil | 6-2,6-1 |
| ITF Kazakhstan F1 | 2018/02/12 07:35 | Kirkov, Vasil v Sergey Fomin | 0-6,6-7 |