StadiumEstadio Monumental
| Current capacity of the stadium |
| Standing | 54 000 |
| Seats | 34 000 |
| Tribune | 21 000 |
| Seats for sponsors | 1 000 |
| Fans attended |
| 15. 9. 2025 | FC Colo Colo-Orihuela | 3 523 |
| 14. 9. 2025 | FC Colo Colo-Schiedam | 3 734 |
| 11. 9. 2025 | FC Colo Colo-Costa Calma | 3 358 |
| 7. 9. 2025 | FC Colo Colo-Alloa | 34 954 |
| 7. 9. 2025 | FC Colo Colo-AC Sparta Praha | 40 744 |
| 6. 9. 2025 | FC Colo Colo-Bresty | 25 020 |
| 3. 9. 2025 | FC Colo Colo-Zaraza | 34 141 |
| 1. 9. 2025 | FC Colo Colo-FC Barcelona™ | 23 558 |
| 31. 8. 2025 | FC Colo Colo-Choletria | 35 580 |