StadiumStadion Stomil
| Current capacity of the stadium |
| Standing | 40 300 |
| Seats | 25 200 |
| Tribune | 15 100 |
| Seats for sponsors | 500 |
| Fans attended |
| 16. 9. 2026 | Stomil Olsztyn-Spa | 28 116 |
| 12. 9. 2026 | Stomil Olsztyn-Rodeo | 38 026 |
| 9. 9. 2026 | Stomil Olsztyn-Apollon Limassol | 30 907 |
| 7. 9. 2026 | Stomil Olsztyn-Głuchołazy | 27 593 |
| 6. 9. 2026 | Stomil Olsztyn-Puurs | 30 097 |
| 3. 9. 2026 | Stomil Olsztyn-Chorzele | 25 104 |
| 31. 8. 2026 | Stomil Olsztyn-Atlético Ottawa | 5 403 |
| 2. 6. 2026 | Stomil Olsztyn-Sparta Praha | 5 170 |