StadiumStadion Stomil
| Current capacity of the stadium |
| Standing | 40 300 |
| Seats | 25 200 |
| Tribune | 15 100 |
| Seats for sponsors | 500 |
| Fans attended |
| 13. 6. 2026 | Stomil Olsztyn-Silesia FootballClub | 14 855 |
| 8. 6. 2026 | Stomil Olsztyn-Głuchołazy | 13 042 |
| 7. 6. 2026 | Stomil Olsztyn-Kamionki | 11 395 |
| 7. 6. 2026 | Stomil Olsztyn-Bekkevoort | 11 282 |
| 4. 6. 2026 | Stomil Olsztyn-Krokiety FC | 9 776 |
| 2. 6. 2026 | Stomil Olsztyn-Sparta Praha | 5 170 |
| 6. 5. 2026 | Stomil Olsztyn-Stary Sobor | 5 808 |
| 12. 4. 2026 | Stomil Olsztyn-PHOENIX FC | 4 919 |
| 7. 4. 2026 | Stomil Olsztyn-Istra Pula | 5 684 |