StadiumStadion Middlesbrough
| Current capacity of the stadium |
| Standing | 19 300 |
| Seats | 12 100 |
| Tribune | 7 200 |
| Seats for sponsors | 200 |
| Fans attended |
| 14. 9. 2026 | Middlesbrough-Cumae | 4 185 |
| 10. 9. 2026 | Middlesbrough-Dorylaion | 4 227 |
| 5. 9. 2026 | Middlesbrough-Fukui | 4 118 |