Away History
| Polonia - Liga Juvenil | 2021/06/08 10:00 | Naki Olsztyn sub-19 v Ursus Warsaw sub-19 | L | 2-4 |
| Polonia - Liga Juvenil | 2021/06/02 10:00 | Ursus Warsaw sub-19 v Naki Olsztyn sub-19 | L | 8-2 |
| Polonia - Liga Juvenil | 2018/06/29 15:00 | Naki Olsztyn sub-19 v GKS Belchatów sub-19 | L | 1-3 |
| Polonia - Liga Juvenil | 2018/06/25 15:00 | GKS Belchatów sub-19 v Naki Olsztyn sub-19 | L | 2-0 |