Gonzalo Higuain’s first goal of the tournament was enough to book Argentina a place in the World Cup semi-finals in Brazil.
The South Americans were rarely troubled in the 1-0 win as Belgium failed to truly test Romero in goal.
Argentina made the most of limited first half opportunities as they took a 1-0 lead into the break behind a fierce strike from Higuain in the 8th minute.
Belgium lost the ball in the midfield and a swift Argentina counter-attack was finished by Higuian who smashed home a bouncing volley past Courtios.
The Belgians best chance fell to Mirallas, but his diving header from a Vertonghen cross just whizzed past the post.
Higuain came close to scoring a second, only to see his shot after a dazzling run bounce off the crossbar.
Belgium surged forward for the equalizer but could not bridge a resolute Argentina defense as the Albacete held on to qualify for their first semifinals since Italia 90.
