| ITF Poland F7 | 2017/07/27 08:00 | Dembek, Michal v Kolisnyk, Olexiy | 1-6,6-7 |
| Poznan, Poland | 2017/07/20 09:00 | Lukas Rosol v Dembek, Michal | 7-6,6-3 |
| Poznan, Poland | 2017/07/18 08:30 | Dembek, Michal v Reuter, Yannik | 6-4,6-2 |
| ITF Poland F5 | 2017/07/11 09:50 | Dembek, Michal v Smola, Maciej | 1-6,6-7 |
| Egypt F19, Singles Qualifying | 2017/07/05 17:55 | Dembek, Michal v Pervolarakis, Michail | 6-7,2-6 |
| Egypt F18, Singles Qualifying | 2017/06/28 16:00 | Dembek, Michal v Taweel, Issam Haitham | 4-6,6-7 |
| ITF Poland F2 | 2017/06/19 11:05 | Dembek, Michal v Orkin, Elliott | 7-6,2-6,5-7 |
| ITF Poland F2 | 2017/06/18 08:30 | Dembek, Michal v Kyrychenko, Oleksander | 6-2,6-4 |
| ITF Austria F4 | 2017/07/25 10:25 | Weidinger, Dominic v Hajek, Petr | 7-6,6-2 |
| ITF Czech Republic F6 | 2017/07/17 08:00 | Hajek, Petr v Lukas Klein | 4-6,1-6 |
| ITF Netherlands F4 | 2017/07/13 11:20 | Farquharson, Tom v Hajek, Petr | 6-2,7-6 |
| ITF Netherlands F4 | 2017/07/12 06:30 | Hajek, Petr v de Bakker, Thiemo | 6-5 |
| ITF Czech Republic F4 | 2017/07/05 08:00 | Hajek, Petr v Marek Gengel | 0-6,3-6 |
| ITF Czech Republic F4 | 2017/07/04 09:45 | Petr Nouza v Hajek, Petr | 5-7,1-6 |
| ITF Poland F2 | 2017/06/19 09:00 | Hajek, Petr v Chadaj, Adam | 3-6,4-6 |
| ITF Czech Republic F3 Qual | 2017/05/28 08:30 | Hajek, Petr v Paroulek, Tadeas | 3-6,5-7 |