Colo-Colo beat Junior Barranquilla in a close win on Tuesday, 1-0, in a match relating to the Last 16 of the Copa Libertadores.
The first half came to an end without goals.
Vicente Pizarro scored the winning goal with 76 minutes on the clock, with a left-foot shot.
In the next fixture, Colo-Colo will play away against Junior Barranquilla.