Round: 25 Ground: Clay
| Challenger Poznań | 2017/07/20 09:00 | Lukas Rosol v Michal Dembek | 7-6,6-3 |
| Challenger Poznań | 2017/07/18 08:30 | Michal Dembek v Yannik Reuter | 6-4,6-2 |
| ITF Poland F5 | 2017/07/11 09:50 | Michal Dembek v Maciej Smola | 1-6,6-7 |
| ITF Egypt F19 | 2017/07/05 17:55 | Michal Dembek v Michail Pervolarakis | 6-7,2-6 |
| ITF Egypt F18 | 2017/06/28 16:00 | Michal Dembek v Issam Haitham Taweel | 4-6,6-7 |
| ITF Poland F2 | 2017/06/19 11:05 | Michal Dembek v Elliott Orkin | 7-6,2-6,5-7 |
| ITF Poland F2 | 2017/06/18 08:30 | Michal Dembek v Oleksander Kyrychenko | 6-2,6-4 |
| ITF Ukraine F3 | 2017/05/23 12:15 | Michal Dembek v Yurii Dzhavakian | 2-6,4-6 |
| ITF Poland F6 | 2017/07/20 09:00 | Olexiy Kolisnyk v Colin Van Beem | 2-6,1-6 |
| ITF Poland F6 | 2017/07/19 08:00 | Olexiy Kolisnyk v James Frawley | 6-3,6-2 |
| ITF Poland F6 | 2017/07/17 12:15 | Olexiy Kolisnyk v Arnold Kokulewski | 6-2,6-4 |
| ITF Poland F5 | 2017/07/10 11:25 | Olexiy Kolisnyk v Samuel Bensoussan | 4-6,2-6 |
| ITF Poland F4 | 2017/07/03 11:10 | Maciej Rajski v Olexiy Kolisnyk | 6-3,6-4 |
| ITF Poland F3 | 2017/06/27 11:25 | Olexiy Kolisnyk v Antonio Massara | 5-7,4-6 |
| ITF Ukraine F3 | 2017/05/26 07:00 | Denys Mylokostov v Olexiy Kolisnyk | 6-2,3-6,6-3 |
| ITF Ukraine F3 | 2017/05/25 07:00 | Michel Vernier v Olexiy Kolisnyk | 1-6,7-6,4-6 |