Sri Lanka captain Mahela Jayawardene won the toss and elected to bat first against Australia in their one-day tri-series match at the Melbourne Cricket Ground on Friday.
Sri Lanka needs to win the match or tie it to advance to the finals series against Australia, while a loss will see India advance.
The Australia team is captained by Shane Watson while regular skipper Michael Clarke is rested. Pace bowler James Pattinson returns to the XI from a foot injury, while Brett Lee remains out with an injured foot.
Australia: Shane Watson (captain), David Warner, Peter Forrest, Michael Hussey, David Hussey, Matthew Wade, Daniel Christian, James Pattinson, Clint McKay, Xavier Doherty, Ben Hilfenhaus.
Sri Lanka: Mahela Jayawardene (captain), Tillekeratne Dilshan, Kumar Sangakkara, Dinesh Chandimal, Lahiru Thirimanne, Angelo Mathews, Thissara Perera, Nuwan Kulasekera, Sachithra Senanayake, Lasith Malinga, Rangana Herath.
Umpires: Asad Rauf, Pakistan, and Rod Tucker, Australia.
Third Umpire: Simon Fry, Australia. Match Referee: Chris Broad, England.