| ITF Poland F6 Qual | 2016/08/20 09:00 | Kevin Lynch v Krzysztof Mlazga | 6-1,6-2 |
| ITF Poland F5 Qual | 2016/08/15 08:00 | Krzysztof Mlazga v Viktor Kostin | 3-6,1-6 |
| ITF Poland F4 Qual | 2016/06/12 08:00 | Jan Zielinski v Krzysztof Mlazga | 6-4,6-0 |
| ITF Czech Republic F3 Qual | 2016/05/22 09:30 | Krzysztof Mlazga v Antonin Stepanek | 2-6,4-6 |
| ITF Poland F5 Qual | 2015/09/07 10:00 | Yann Wojcik v Krzysztof Mlazga | 6-7,6-3,6-1 |
| ITF Poland F3 Qual | 2015/08/22 08:00 | Krzysztof Mlazga v Bjoern Petersen | 0-6,2-6 |
| ITF Poland F2 | 2015/08/16 12:00 | Jeremias Lima-Perez v Krzysztof Mlazga | 7-5,6-1 |
| ITF Poland F4 Qual | 2014/06/22 07:30 | Marek Jaloviec v Krzysztof Mlazga | 6-2,6-1 |
| ITF Turkey F14 | 2017/04/09 07:00 | Juan Ignacio Ameal v Yahor Yatsyk | 6-3,6-1 |
| ITF Turkey F14 | 2017/04/08 07:00 | Yahor Yatsyk v Sorin Andrei Iordache | 6-4,7-6 |
| ITF Russia F8 | 2016/09/05 10:20 | Maxim Geraskin v Yahor Yatsyk | 5-7,6-1,6-3 |
| ITF Russia F7 Qual | 2016/08/27 09:00 | Matvey Khomentovskiy v Yahor Yatsyk | 6-1,0-6,6-2 |
| ITF Turkey F3 | 2016/01/17 08:30 | Gokberk Ergeneman v Yahor Yatsyk | 3-6,6-3,7-5 |
| ITF Turkey F3 | 2016/01/16 08:30 | Marko Stosic v Yahor Yatsyk | 4-6,2-6 |
| ITF Turkey F47 | 2015/11/09 08:00 | Davide Galoppini v Yahor Yatsyk | 6-4,6-2 |
| ITF Turkey F47 | 2015/11/07 06:00 | Ivan Saveljic v Yahor Yatsyk | 3-6,6-7 |