Home History
| Europe Friendlies | 2021/02/03 15:00 | GKS Jastrzebie v Legionovia Legionowo | D | 1-1 |
| Europe Friendlies | 2021/01/30 08:00 | FC Olimpik Mytishchi v Legionovia Legionowo | W | 4-5 |
| Poland III Liga | 2020/11/29 10:00 | Lechia Tomaszow Mazowiecki v Legionovia Legionowo | D | 2-2 |
| Poland III Liga | 2020/11/15 12:00 | RKS Radomsko v Legionovia Legionowo | D | 0-0 |
| Poland III Liga | 2020/11/11 12:00 | Legionovia Legionowo v Ruch Wysokie Mazowieckie | D | 1-1 |
| Poland III Liga | 2020/11/07 12:00 | Olimpia Zambrow v Legionovia Legionowo | W | 1-4 |
| Poland III Liga | 2020/10/31 12:30 | Legionovia Legionowo v KS Kutno | W | 2-1 |
| Poland III Liga | 2020/10/24 12:00 | Unia Skierniewice v Legionovia Legionowo | L | 4-2 |
Away History
| Poland III Liga | 2021/02/27 11:00 | Jagiellonia Bialystok II v Ruch Wysokie Mazowieckie | W | 3-0 |
| Poland III Liga | 2020/12/05 12:00 | Jagiellonia Bialystok II v Ursus Warsawa | D | 2-2 |
| Poland III Liga | 2020/12/02 12:00 | Jagiellonia Bialystok II v Pelikan Lowicz | W | 2-1 |
| Poland III Liga | 2020/11/11 11:30 | MKS Swit Nowy Dwor Mazowiecki v Jagiellonia Bialystok II | W | 1-3 |
| Poland III Liga | 2020/11/07 14:00 | Jagiellonia Bialystok II v Pogon Grodzisk Mazowiecki | W | 2-1 |
| Poland III Liga | 2020/11/04 16:00 | GKS Wikielec v Jagiellonia Bialystok II | D | 2-2 |
| Poland III Liga | 2020/10/31 12:00 | Blonianka Blonie v Jagiellonia Bialystok II | L | 3-2 |
| Poland III Liga | 2020/10/10 13:00 | Jagiellonia Bialystok II v Lechia Tomaszow Mazowiecki | W | 6-0 |