StadiumDuisburg Arena
| Current capacity of the stadium |
| Standing | 31 000 |
| Seats | 30 000 |
| Tribune | 26 000 |
| Seats for sponsors | 17 000 |
| Fans attended |
| 17. 7. 2025 | AFC Duisburg-1.FC Turbo Kremmen | 6 356 |
| 12. 7. 2025 | AFC Duisburg-Fortuna Düsseldorf | 5 867 |
| 7. 7. 2025 | AFC Duisburg-Karlsruhe | 5 754 |
| 5. 7. 2025 | AFC Duisburg-FC Erfurt | 7 397 |
| 30. 6. 2025 | AFC Duisburg-Fc Bayern München B | 7 357 |
| 26. 6. 2025 | AFC Duisburg-1.FC Werder Bremen | 6 402 |
| 21. 6. 2025 | AFC Duisburg-CFC Hertha 06 Berlin | 5 578 |
| 20. 6. 2025 | AFC Duisburg-CFC Hertha 06 Berlin | 6 720 |
| 16. 6. 2025 | AFC Duisburg-Nordenham | 7 115 |