Round: 25 Ground: Clay
| ITF Poland F2 | 2017/06/19 09:00 | Petr Hajek v Adam Chadaj | 3-6,4-6 |
| ITF Poland F2 | 2017/06/18 08:30 | Adam Chadaj v Patrick Kaukovalta | 6-1,6-1 |
| ITF Poland F2 | 2017/06/17 08:00 | Adam Chadaj v Filip Malbasic | 6-1,6-1 |
| ITF Poland F1 | 2017/06/13 10:40 | Kamil Majchrzak v Adam Chadaj | 6-2,6-1 |
| ITF Poland F1 | 2017/06/11 08:00 | Maciej Smola v Adam Chadaj | 2-6,6-4,2-6 |
| ITF Poland F1 | 2017/06/11 08:00 | Alfredo Perez v Adam Chadaj | 4-6,4-6 |
| ITF Poland F1 | 2017/06/10 08:00 | Patrik Brydolf v Adam Chadaj | 2-6,6-4,2-6 |
| ITF Czech Republic F3 | 2017/05/31 08:30 | Lukas Vejvara v Adam Chadaj | 6-4,6-2 |
| ITF Poland F2 | 2017/06/19 10:55 | Jonas Eriksson Ziverts v Szymon Walkow | 6-3,4-6,6-1 |
| ITF Poland F2 | 2017/06/18 08:30 | Mateusz Terczynski v Jonas Eriksson Ziverts | 1-6,4-6 |
| ITF Poland F2 | 2017/06/17 08:00 | Jonas Eriksson Ziverts v Patrick Kawka | 6-4,2-6,7-6 |
| ITF Poland F1 | 2017/06/15 09:00 | Maxime Tabatruong v Jonas Eriksson Ziverts | 6-4,6-4 |
| ITF Poland F1 | 2017/06/15 09:00 | Maxime Tabatruong v Jonas Eriksson Ziverts | 6-4,5-4 |
| ITF Poland F1 | 2017/06/13 10:20 | Jonas Eriksson Ziverts v David Poljak | 2-6,6-3,6-4 |
| ITF Poland F1 | 2017/06/11 08:00 | Jonas Eriksson Ziverts v Lev Kazakov | 7-5,7-6 |
| ITF Poland F1 | 2017/06/11 08:00 | Corrado Summaria v Jonas Eriksson Ziverts | 3-6,6-2,2-6 |