| ITF Poland F10 Qual | 2017/08/20 08:00 | Krzysztof Mlazga v Давид Норфелдт | 3-6,1-6 |
| ITF Poland F6 Qual | 2017/07/16 11:00 | Михал Бедра v Krzysztof Mlazga | 2-6,7-6,6-3 |
| ITF Poland F5 Qual | 2017/07/09 08:00 | Krzysztof Mlazga v Dariusz Lipka | 2-6,2-6 |
| ITF Poland F4 Qual | 2017/07/02 08:00 | Ronald Slobodchikov v Krzysztof Mlazga | 6-1,7-5 |
| ITF Poland F1 | 2017/06/11 08:00 | Krzysztof Mlazga v Juan Ignacio Ameal | 2-6,2-6 |
| ITF Czech Republic F3 Qual | 2017/05/27 11:00 | Кристиян Там v Krzysztof Mlazga | 6-3,6-3 |
| ITF Ukraine F2 | 2017/05/13 07:00 | Aleksandr Malyshev v Krzysztof Mlazga | 6-2,6-4 |
| ITF Ukraine F1 | 2017/05/07 06:30 | Aleksandr Malyshev v Krzysztof Mlazga | 6-4,6-7,6-4 |
| ITF Poland F11 | 2017/08/26 10:30 | Filip Kucbel v Yahor Yatsyk | 6-7,3-6 |
| ITF Belarus F3 | 2017/08/20 07:00 | Shonigmatjon Shofayziyev v Yahor Yatsyk | 3-6,6-4,7-6 |
| ITF Belarus F3 | 2017/08/19 07:00 | Yahor Yatsyk v Сергей Болотов | 6-1,5-7,7-6 |
| ITF Belarus F1 | 2017/08/05 07:00 | Tyler Hochwalt v Yahor Yatsyk | 6-4,6-3 |
| ITF Russia F4 | 2017/07/24 08:00 | Yahor Yatsyk v Павел Котов | 6-1,3-6,0-6 |
| ITF Russia F4 | 2017/07/23 07:00 | Svyatoslav Shainyan v Yahor Yatsyk | 1-6,4-6 |
| ITF Russia F4 | 2017/07/22 08:00 | Сергей Погосян v Yahor Yatsyk | 6-7,4-6 |
| ITF Russia F3 | 2017/07/04 09:10 | Denis Matsukevich v Yahor Yatsyk | 6-4,6-3 |