Round: 26 Ground: Clay
| ITF Germany F3 | 2017/01/25 12:05 | David Poljak v Oscar Otte | 2-6,3-6 |
| ITF Germany F2 | 2017/01/19 15:50 | David Poljak v Yannick Vandenbulcke | 2-6,3-6 |
| ITF Germany F2 | 2017/01/17 12:30 | Michal Schmid v David Poljak | 6-7,6-7 |
| ITF Germany F1 | 2017/01/12 13:40 | Petr Michnev v David Poljak | 6-3,3-6,7-5 |
| ITF Germany F1 | 2017/01/10 14:20 | David Poljak v Duje Kekez | 6-7,7-6,6-4 |
| Czechia Extraliga | 2016/12/17 09:00 | Norbert Gombos v David Poljak | 6-4,5-7,6-3 |
| ITF Czech Republic F12 | 2016/12/06 09:00 | Marek Gengel v David Poljak | 6-3,6-4 |
| ITF Cyprus F3 | 2016/12/02 10:30 | Alen Avidzba v David Poljak | 6-1,6-2 |
| ITF USA F6 | 2017/02/02 16:45 | Tommy Paul v Maciej Rajski | 6-2,2-6,7-6 |
| ITF USA F6 | 2017/02/01 16:30 | Maciej Rajski v Dominik Koepfer | 6-2,7-5 |
| ITF USA F6 | 2017/01/30 15:00 | Maciej Rajski v Rowland Phillips | 4-6,6-4,6-1 |
| ITF USA F5 | 2017/01/23 15:00 | Felix Auger Aliassime v Maciej Rajski | 6-2,3-6,6-1 |
| ITF USA F5 | 2017/01/22 15:00 | Hermanni Tiainen v Maciej Rajski | 1-6,1-6 |
| ITF USA F5 | 2017/01/21 15:30 | Rafael Matos v Maciej Rajski | 5-7,3-6 |
| ITF USA F5 | 2017/01/20 15:30 | Jarryd Woog v Maciej Rajski | 1-6,1-6 |
| ITF USA F4 | 2017/01/16 15:00 | Nick Chappell v Maciej Rajski | 6-4,6-3 |