StadiumStadion Siedlce
| Current capacity of the stadium |
| Standing | 17 800 |
| Seats | 11 100 |
| Tribune | 6 700 |
| Seats for sponsors | 200 |
| Fans attended |
| 13. 6. 2026 | Siedlce-Majdan | 4 844 |
| 10. 6. 2026 | Siedlce-GKS FCB Katowice 1964 | 3 579 |
| 7. 6. 2026 | Siedlce-Lipno | 3 510 |
| 4. 6. 2026 | Siedlce-Marysin Wawerski | 5 247 |