StadiumFK 1921 Fotbal Třinec A
| Current capacity of the stadium |
| Standing | 36 000 |
| Seats | 31 500 |
| Tribune | 28 500 |
| Seats for sponsors | 26 100 |
| Fans attended |
| 12. 9. 2026 | FK 1921 Fotbal Třinec A-Sušice | 4 100 |
| 7. 9. 2026 | FK 1921 Fotbal Třinec A-Řimovice | 4 165 |
| 3. 9. 2026 | FK 1921 Fotbal Třinec A-Hubenov | 4 146 |