Argentina and hosts Chile remain at this year's Copa America, but hotly tipped duo Colombia and Brazil both fell at the quarter-final stage.
The Argentines ousted Colombia on penalties after a 0-0 draw and face Brazil-vanquishing Paraguay in Tuesday's second semi-final.
First, though, Chile will have the backing of a whole nation as they aim to reach the final by getting past Peru in Santiago.
Read on for a closer look at both fixtures, along with predictions, timings and live streaming information.
Chile vs. Peru
Chile saw off nine-man Uruguay in their quarter-final, but only just, Mauricio Isla scoring late on to seal a 1-0 victory.