"We lost two matches but returned to victory and that is no small feat, but we did expect something bigger in the grand scheme of things", he added.
Despite lacking world class players, a sports-mad Australian public inevitably heaps great expectations on their national teams, and the strain of guiding the Socceroos in Russian Federation proved too much for Van Marwijk's predecessor Ange Postecoglou.
Assuming Australia beats Peru and Denmark loses to France, Australia would still have to earn a higher goal differential than Denmark in order to make it to the next round, and that could be hard since they're down two goals right now. The youngest player at the World Cup was creating all sorts of mayhem on the left hand side, but Peru stood firm thanks to an additional dose of fortune.
Farfan himself took to social media to confirm that despite his desire to play, he must miss Peru's final group game.
Join me for all the updates from the game! The Australians ended up with one point after losing 2-1 to France and drawing 1-1 with Denmark.
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Edison Flores nearly added a third goal on the counter when he crashed a low drive onto the post from the edge of the box in the closing minutes, but the offside flag was raised and there was to be no final flourish for Peru.
"There is nothing better than being able to treat your family well and look after them and I'm very fortunate and thankful to football for allowing me to do that", said Ryan, who now plays for Brighton and Hove Albion in the Premier League. As far as his replacement, the coach offered only that he would "choose the player that will have the most chance to get the result".
"We were effective this time".
"We have to trust our way of playing", he said.
After only being cleared to play in this World Cup at the last minute following a long legal battle against a doping ban, the moment was particularly sweet for Peru´s veteran captain.
The South Americans will have a huge support with them by the Black Sea as they attempt to claim a consolation victory in their first appearance at the World Cup since 1982.
Australia coach Van Marwijk admits the struggle to score goals - they registered only two Mile Jedinak penalties in Russian Federation - was their downfall. Ghana did it from 2006-2010.