It was a reminder not only of that age-old footballing archetype - it's a low-scoring sport and if you don't convert your chances, you can pay a dear price - but also that teams aren't built overnight.
Just three members of their 2014 World Cup winning group - Julian Draxler, Matthias Ginter and Shkodran Mustafi - have been included.
At the other end another substitute, Timo Werner, went close as he wriggled free but the RB Leipzig man hit the post.
There was to be no equaliser, and Postecoglou was especially disappointed about the way his side started the game. They're doing the right thing, they've stated that they want to win a World Cup in 12 months time and this is part of their preparation for it. Against Germany we let one through in the first five minutes - not ideal but at least slightly less embarrassing.
The Socceroos recovered from a slow start but fell short of claiming a point against Germany in their opening Group B match at the Confederations Cup.
"From what I have seen there has been a positive development from where Australia was in 2010 - they liked long balls then and that was easy for us to defend against", said Loew.
"I felt if we got the ball to our midfield in good areas and with Krusey making some forward runs causing them problems".
German manager Joachim Löw gave a lot of his top players the summer off in favor of developing prospects that could fill out next summer's robust World Cup squad.
"They know they have to produce".
"We expect some nerves, as most of the players are playing their first tournament".
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The Los Angeles Lakers used the second pick to choose University of California Los Angeles point guard Lonzo Ball. Even before being drafted, Fultz said that he was looking forward to the opportunity to play with the Sixers .
After being comprehensively beaten 4-0 by Brazil in a friendly on Tuesday, Australia has arrived at the eight-team Confederations Cup on a low.
"The belief for me comes from over a decade with the Socceroos", he said. "If we play the style we know we can most definitely beat them".
Australia coach Ange Postecoglou insists his players will take nothing for granted despite Germany taking a weakened side to their Confederations Cup opener on Monday.
Peter Smith with AustraliaAustralia go into their first ever match against Cameroon on the back of a mixed performance against Germany.
The Socceroos shocked a below-strength German side 2-1 in Moenchengladbach in 2011.
The reigning World Cup champions head into the clash having demolished San Marino 7-0 in their most recent game nine days ago.
However, the Socceroos have arrived in Russian Federation on the back of a narrow World Cup qualifying win over Saudi Arabia and a hammering by Brazil.
Socceroos coach Ange Postecoglou has taken the blame for the result, which makes an Australian appearance in the semi-finals a tall order.
"One thing we won't underestimate is their ability to play the kind of football they've been renowned for".
Germany' will wear black-arm bands in Sochi to pay their respects to former German Chancellor Helmut Kohl, who died on Friday.
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