StadiumEstadio Monumental
| Current capacity of the stadium |
| Standing | 54 000 |
| Seats | 34 000 |
| Tribune | 21 000 |
| Seats for sponsors | 1 000 |
| Fans attended |
| 10. 1. 2026 | FC Colo Colo-Gimnástic de Tarragona | 29 400 |
| 8. 1. 2026 | FC Colo Colo-Palma Nova | 27 196 |
| 3. 1. 2026 | FC Colo Colo-La Santa | 28 322 |
| 29. 12. 2025 | FC Colo Colo-FK ČADCA | 7 464 |
| 27. 12. 2025 | FC Colo Colo-Sabinillas A | 30 935 |
| 24. 12. 2025 | FC Colo Colo-SÁRKÖZI FC | 39 134 |
| 22. 12. 2025 | FC Colo Colo-Cerceda | 29 904 |
| 18. 12. 2025 | FC Colo Colo-Ubeda | 30 904 |
| 17. 12. 2025 | FC Colo Colo-Las Palmas | 33 939 |