Inter striker Lautaro Martinez was on target as Argentina beat Qatar 2-0, progressing to the Copa America quarter-finals along with Colombia.
The forward found the net just five minutes in, making the most of a dreadful defensive error.
There were some scares along the way, as Qatar hit the woodwork with a free kick, while Sergio Aguero and Lionel Messi missed sitters before Aguero finally rounded out the scoreline.
Juventus forward Paulo Dybala came off the bench, while Udinese midfielder Rodrigo De Paul was by many considered Man of the Match.
Colombia beat Paraguay 1-0 thanks to a goal from Gustavo Cuellar and progress top of Group B with a 100 per cent record of nine points, followed by Argentina on four.
Brazil and Venezuela are already in the quarter-finals, with Chile and Uruguay hoping to make it from Group C tonight.