| Polonia - III Liga | 2021/10/16 13:00 | Pilica Bialobrzegi v Jagiellonia Bialystok II | W | 2-8 |
| Polonia - III Liga | 2021/10/13 14:00 | Jagiellonia Bialystok II v Legia Warsaw II | D | 2-2 |
| Polonia - III Liga | 2021/10/09 13:00 | MLKS Znicz Biala Piska v Jagiellonia Bialystok II | W | 0-3 |
| Polonia - III Liga | 2021/10/03 13:00 | Jagiellonia Bialystok II v Lechia Tomaszow Mazowiecki | L | 0-2 |
| Polonia - III Liga | 2021/09/25 11:00 | KS Kutno v Jagiellonia Bialystok II | L | 1-0 |
| Polonia - III Liga | 2021/09/19 12:00 | Jagiellonia Bialystok II v Sokol Aleksandrow | W | 2-0 |
| Polonia - III Liga | 2021/09/11 14:00 | Ursus Warsawa v Jagiellonia Bialystok II | W | 2-3 |
| Polonia - III Liga | 2021/09/08 12:00 | Jagiellonia Bialystok II v MKS Swit Nowy Dwor Mazowiecki | L | 0-1 |
| Polonia - III Liga | 2021/10/16 12:00 | Mamry Gizycko v Blonianka Blonie | L | 1-3 |
| Polonia - III Liga | 2021/10/13 17:11 | Polonia Varsovia v Mamry Gizycko | W | 1-2 |
| Polonia - III Liga | 2021/10/09 12:00 | Mamry Gizycko v Unia Skierniewice | L | 1-3 |
| Polonia - III Liga | 2021/10/02 13:30 | MLKS Wissa Szczuczyn v Mamry Gizycko | W | 1-2 |
| Polonia - III Liga | 2021/09/25 14:00 | Mamry Gizycko v Legionovia Legionowo | L | 0-1 |
| Polonia - III Liga | 2021/09/17 16:00 | GKS Wikielec v Mamry Gizycko | W | 1-2 |
| Polonia - III Liga | 2021/09/11 13:00 | Mamry Gizycko v LKS Lodz II | L | 1-3 |
| Polonia - III Liga | 2021/09/08 15:00 | Pelikan Lowicz v Mamry Gizycko | D | 1-1 |