HWASEONG, South Korea - Socceroos coach Holger Osieck has been quick to warn that the serious business is still to come in the wake of Australia's 2-1 triumph over South Korea.
While Australia's impressive showing against a fellow Asian heavyweight is cause for celebration, the German's sights remain set on securing the Socceroos their third straight World Cup berth.
"I think we have to be realistic," Osieck said.
"Today it was a friendly game and the qualifying games are a lot more difficult, that's for sure.
"Now we have four more (World Cup qualifying) games, three games in Australia and, of course, we have to prepare for each game according to the opponent.
"We know all the teams now and I think I will find the right means to be successful."
Nikita Rukavytsya and Robert Cornthwaite scored their first international goals as an experimental Socceroos ground out their 2-1 win.
In a match where exciting youngsters Tom Rogic, Aziz Behich, Eli Babalj and Mathew Leckie were all handed debuts off the bench, fringe players Rukavytsya and Cornthwaite made the most of rare starts to secure a come-from-behind win.