StadiumSignal Iduna Park
| Current capacity of the stadium |
| Standing | 2 500 |
| Seats | 2 300 |
| Tribune | 2 000 |
| Seats for sponsors | 200 |
| Fans attended |
| 20. 12. 2025 | Borussia Dortmund 1909-Kelkheim | 6 957 |
| 19. 12. 2025 | Borussia Dortmund 1909- Espetka FC | 6 897 |
| 15. 12. 2025 | Borussia Dortmund 1909-Essen | 6 924 |
| 11. 12. 2025 | Borussia Dortmund 1909-Otterberg | 4 515 |
| 6. 12. 2025 | Borussia Dortmund 1909-Nürnberg | 4 510 |
| 1. 12. 2025 | Borussia Dortmund 1909-Miltenberg | 5 379 |
| 27. 11. 2025 | Borussia Dortmund 1909-Kastellaun | 5 274 |