Barca faced Real Sociedad in the first semi-final of the Spanish Super Cup on Wednesday night in Cordoba.
Koeman's men took the lead through Frenkie de Jong's header on 39 minutes, but in the second half, he gave away a penalty for handball and Mikel Oyarzabal levelled the scores in the 51st minute. It remained 1-1 after extra time and Barca GK Marc-Andre ter Stegen was the hero in the shootout.
He saved three penalties from Jon Bautista, Mikel Oyarzabal and Willian Jose and Riqui Puig's decisive penalty gave Barca a 3-2 win. Have a listen to what Ter Stegen said post-game in the video above!