Fifteen-year-old Marta Kostyuk celebrates reaching the third round at the Australian Open ©Getty Images


Rafael Nadal was given a sterner challenge today but still progressed in straight sets ©Getty Images
Rafael Nadal was given a sterner challenge today but still progressed in straight sets ©Getty Images
Caroline Wozniaki recovered from the brink of defeat ©Getty Images
Caroline Wozniaki recovered from the brink of defeat ©Getty Images
Marta Kostyuk hits a return during her match against Australia's Olivia Rogowska ©Getty Images
Marta Kostyuk hits a return during her match against Australia's Olivia Rogowska ©Getty Images
Kyle Edmund ensured British flags will remain flying in the absence of Andy Murray ©Getty Images
Kyle Edmund ensured British flags will remain flying in the absence of Andy Murray ©Getty Images
Ukraine's Alexandr Dolgopolov Jr. throws his shoes into the crowd after beating Australia's Matthew Ebden ©Getty Images
Ukraine's Alexandr Dolgopolov Jr. throws his shoes into the crowd after beating Australia's Matthew Ebden ©Getty Images
Spectators watch the action during the Australian Open ©Getty Images
Spectators watch the action during the Australian Open ©Getty Images
A spectator interrupts the second round match between Nick Kyrgios of Australia and Viktor Troicki of Serbia ©Getty Images
A spectator interrupts the second round match between Nick Kyrgios of Australia and Viktor Troicki of Serbia ©Getty Images
Spectators enjoy second round singles action ©Getty Images
Spectators enjoy second round singles action ©Getty Images
Grigor Dimitrov battled to victory in men's singles action today ©Getty Images
Grigor Dimitrov battled to victory in men's singles action today ©Getty Images