Daniil Medvedev survives but Aryna Sabalenka ousted on marathon Australian Open day
Stefanos Tsitsipas and Felix Auger-Aliassime also hung on to reach the quarter-finals as Alize Cornet stole the show on a gruelling day in Melbourne
Stefanos Tsitsipas and Felix Auger-Aliassime also hung on to reach the quarter-finals as Alize Cornet stole the show on a gruelling day in Melbourne