Mark Schwarzer is well aware just how big this weekend's meeting with Brazil is for the Australian team.

The Socceroos take on the world's ninth ranked side in Brasilia in an international friendly and the veteran goalkeeper knows it is a massive test for he and his teammates as they continue to get ready for next year's World Cup.

"This is a vital part of our preparation," he said.

"It's an important game to see where we stand at the moment with regard to one of the best teams in the world and probably the most in-form team at the moment on the planet.

"We're not underestimating how big a challenge it's going to be. It's going to be a very busy day for all of us."

 The game is about opinions. Make yours heard! Join nation on Facebook today: