Round: 25 Ground: Clay
| Qatar F3, Singles | 2017/04/18 12:00 | Antoine Bellier v Dembek, Michal | 6-4,6-0 |
| ITF Qatar F2 Qual | 2017/04/09 16:20 | Dembek, Michal v Luca Castelnuovo | 6-7,6-2,4-6 |
| ITF Qatar F1 Qual | 2017/04/02 12:00 | Dembek, Michal v Kris Krawcewicz | 3-6,7-5,6-7 |
| ITF Italy F4 | 2017/03/13 10:00 | Dembek, Michal v Mansson, Marcus | 6-4,4-6,4-6 |
| ITF Italy F4 Qual | 2017/03/12 09:00 | Dembek, Michal v Frost, Linus | 7-5,6-3 |
| Italie F3, Simples | 2017/03/07 18:55 | Bega, Alessandro v Dembek, Michal | 6-2,7-5 |
| Italie F3, Qualifications Simples | 2017/03/05 13:00 | Dembek, Michal v Summaria, Corrado | 7-6,7-6 |
| Italie F3, Qualifications Simples | 2017/03/04 09:00 | Dembek, Michal v Ceppellini, Alessandro | 6-2,6-4 |
| Coupe Davis | 2017/04/07 16:55 | Joao Sousa v Nikita Mashtakov | 6-0,6-3,6-0 |
| ITF Ukraine F6 | 2016/10/04 11:55 | Nikita Mashtakov v Francesco Ferrari | 0-6,3-6 |
| ITF Ukraine F6 | 2016/10/02 09:30 | Dabryian, Artsiom v Nikita Mashtakov | 1-6,3-6 |
| ITF Ukraine F5 | 2016/09/28 09:30 | Kamynin, Dmytro v Nikita Mashtakov | 6-4,6-2 |
| ITF Ukraine F5 | 2016/09/27 10:00 | Andrzejczuk, Adrian v Nikita Mashtakov | 5-7,6-2,4-6 |
| ITF Ukraine F5 | 2016/09/26 07:00 | Boychuk, Roman v Nikita Mashtakov | 6-2,0-6,5-7 |
| ITF Ukraine F5 | 2016/09/25 09:30 | Smolicki, Mateusz v Nikita Mashtakov | 3-6,4-6 |
| ITF Ukraine F4 | 2016/09/20 08:10 | Nikita Mashtakov v Alekseenko, Vadim | 4-6,4-6 |