PALLEKELE, Sri Lanka: Sri Lanka captain Tillakaratne Dilshan elected to bat after winning the toss against Australia in the second and final Twenty20 match at the Pallekele International Stadium on Monday.Sri Lanka made two changes from the side that won the opening match by 35 runs, bringing in Thisara Perera and Ajantha Mendis in place of pacemen Dhammika Prasad and Suranga Lakmal.Australia retained the team.Sri Lanka: Tillakaratne Dilshan (captain), Kumar Sangakkara, Mahela Jayawardene, Dinesh Chandimal, Angelo Mathews, Jeevan Mendis, Dilruwan Perera, Thisara Perera, Nuwan Kulasekara, Rangana Herath, Ajantha Mendis.Australia: Cameron White (captain), Shane Watson, David Warner, Brad Haddin, Shaun Marsh, David Hussey, Steven Smith, Steve O'Keefe, John Hastings, Mitchell Johnson, Brett Lee.