Australian Open Day 9: QuarterfinalsSI Staff|Share on FacebookShare on XAdd us as a preferred sourceAustralian Open Day 9: QuarterfinalsAustralian Open Day 9: Quarterfinals Agnieszka RadwanskaQuinn Rooney/Getty Images Agnieszka RadwanskaPAUL CROCK/AFP/Getty Images Carla Suarez NavarroPAUL CROCK/AFP/Getty Images Agnieszka RadwanskaCameron Spencer/Getty Images Agnieszka RadwanskaQuinn Rooney/Getty Images Serena WilliamsSAEED KHAN/AFP/Getty Images Serena WilliamsMichael Dodge/Getty Images Patrick MouratoglouScott Barbour/Getty Images Serena WilliamsCameron Spencer/Getty Images Maria SharapovaPETER PARKS/AFP/Getty Images Maria SharapovaSAEED KHAN/AFP/Getty Images Maria SharapovaScott Barbour/Getty Images Serena WilliamsQuinn Rooney/Getty Images Maria SharapovaQuinn Rooney/Getty Images Serena WilliamsGREG WOOD/AFP/Getty Images Serena WilliamsQuinn Rooney/Getty Images Serena WilliamsSAEED KHAN/AFP/Getty Images Roger FedererQuinn Rooney/Getty Images Tomas Berdych PETER PARKS/AFP/Getty Images Roger FedererWILLIAM WEST/AFP/Getty Images Roger FedererQuinn Rooney/Getty Images Roger FedererSAEED KHAN/AFP/Getty ImagesSAEED KHAN/AFP/Getty Images Tomas BerdychGREG WOOD/AFP/Getty Images Tomas BerdychScott Barbour/Getty ImagesAdd us as a preferred source on GoogleFollowPublished Jan 14, 2016 | Modified Jan 14, 2016SI STAFFShare on FacebookShare on XHome/Tennis