The Socceroos are set to play Spain for the first ever time (kick-off 2am AEST), in what will be the last match of their World Cup campaign for both sides.
For coach Ange Postecoglou, two strong performances in their previous Group B matches will carry little sollace unless the Aussies are able to reproduce their form against the deposed world champions.
Watch the exclusive interview above to hear what Postecoglou had to say on Australia's efforts in Brazil and his thoughts on the match he expects to be the Socceroos toughest test.