Australia are in action as Asian champions for the first time as they head to Kaiserslautern to take on World Cup winners Germany on Wednesday.
Ange Postecoglou's Socceroos were triumphant on home soil in the Asian Cup, beating South Korea 2-1 after extra-time in the final in Sydney on January 31.
But a trip to the Fritz-Walter-Stadion could yet to prove to be a much tougher test.
Ranked the top nation in the world by FIFA, Germany's form since their title-winning run in Brazil last year has been inconsistent.
Joachim Low's men meet Georgia in a Euro 2016 qualifier four days after facing Australia, and they need a win in Group D – which they sit second in behind Poland.
It remains to see how good a team Low picks for the friendly, but he has selected a strong 23-man squad.
Read more : Germany v Australia: Euro 2016 Preview