Iraq will be fielding a number of young attacking players in their line-up and they have the potential to provide a real shock to Australia at the ANZ Stadium on Tuesday night.
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SBS News spoke to who has been dubbed as Iraq's version of Lionel Messi, Humam Tariq.
The midfielder, who only turned 17 in February, is his country's youngest ever international player and is viewed as a once-in-a-generation talent.
"While this may be a young and inexperienced side, with nothing on the line, it would be a mistake, with the quality they have, to totally write off Iraq's chances at Stadium Australia tomorrow," he said.
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Superstar striker Cahill believes Australia can rise to the challenge.
And he believes the spirit of 2005, when Australia overcame Uruguay at the same venue to book the nation's first World Cup qualification in 32 years, can play a role.
"Experience is fantastic ... everything's on it (this match), and the biggest thing for us is to take (the pressure) and embrace it," Cahill said on Monday.
"To have the weight of the country on your shoulders is a compliment, and you have to enjoy it.
"I'll be trying to cover every bit of grass to get a result, and I'm sure the rest of the team will as well."
