StadiumStadion Stomil
| Current capacity of the stadium |
| Standing | 40 300 |
| Seats | 25 200 |
| Tribune | 15 100 |
| Seats for sponsors | 500 |
| Fans attended |
| 30. 7. 2026 | Stomil Olsztyn-KS ROW 1964 Rybnik | 19 191 |
| 25. 7. 2026 | Stomil Olsztyn-Równica | 15 816 |
| 20. 7. 2026 | Stomil Olsztyn-Lzs Zjednoczeni Lipinki | 24 286 |
| 16. 7. 2026 | Stomil Olsztyn-Łaszczów | 19 167 |
| 13. 7. 2026 | Stomil Olsztyn-Mieszkowice | 25 485 |
| 9. 7. 2026 | Stomil Olsztyn-DACHOL Ruda Śląska | 22 423 |
| 4. 7. 2026 | Stomil Olsztyn-Gorki | 14 928 |
| 3. 7. 2026 | Stomil Olsztyn-KS Cracovia Kraków | 20 350 |
| 27. 6. 2026 | Stomil Olsztyn-Pełczyce | 14 729 |