Day one of third Test from Perth 30 Nov 2012, 4:45 p.m. Australia seek to topple South Africa as the world's No.1 team. Day one of third Test from Perth Shane Watson of Australia bowls a delivery. Photo: Getty ImagesMitchell Starc of Australia celebrates for the wicket of Alviro Peterson of South Africa before it was overturned by video review. Photo: Getty ImagesHashim Amla of South Africa works the ball away. Photo: Getty ImagesThe Australian players prepare to start play. Photo: Getty ImagesMichael Clarke of Australia and Graeme Smith of South Africa at the coin toss. Photo: Getty ImagesRicky Ponting during the Australian national anthem. Photo: Getty ImagesLee Furlong, wife of Shane Watson of Australia and Rianna Ponting, wife of Ricky Ponting. Photo: Getty ImagesGraeme Smith of South Africa works the ball away. Photo: Getty ImagesGraeme Smith of South Africa deflects a bouncer from Australian bowler Mitchell Johnson. Photo: Getty ImagesDavid Warner of Australia celebrates with Michael Clarke after his captain caught Graeme Smith. Photo: Getty ImagesTweetFacebook of ╳exitAustralia seek to topple South Africa as the world's No.1 team.