Australian Open Day 7SI Staff|Share on FacebookShare on XAdd us as a preferred sourceAustralian Open Day 7Australian Open Day 7 Novak DjokovicQuinn Rooney/Getty Images Belinda BencicPETER PARKS/AFP/Getty Images Jo-Wilfried TsongaGREG WOOD/AFP/Getty Images Maria SharapovaCameron Spencer/Getty Images Belinda BencicZak Kaczmarek/Getty Images Kei NishikoriGREG WOOD/AFP/Getty Images Serena WilliamsPETER PARKS/AFP/Getty Images Margarita GasparyanPETER PARKS/AFP/Getty Images Serena WilliamsCameron Spencer/Getty Images Serena WilliamsPAUL CROCK/AFP/Getty Images Novak DjokovicCameron Spencer/Getty Images Novak DjokovicPAUL CROCK/AFP/Getty Images Maria SharapovaRecep Sakar/Anadolu Agency/Getty Images Gilles SimonSAEED KHAN/AFP/Getty Images Gilles SimonCameron Spencer/Getty Images Novak DjokovicDarrian Traynor/Getty Images Sam Groth, Lleyton HewittScott Barbour/Getty Images Gilles SimonQuinn Rooney/Getty Images Novak DjokovicCameron Spencer/Getty ImagesAdd us as a preferred source on GoogleFollowPublished Jan 14, 2016 | Modified Jan 14, 2016SI STAFFShare on FacebookShare on XHome/Tennis