Sebastian Korda stunned Daniil Medvedev to make a statement at the Australian Open 25 years after his father Petr claimed the title.
World number one Iga Swiatek advanced to the Round of 16 at the Australian Open after a one-sided victory over Cristina Bucsa on Margaret Court Arena.
Cameron Norrie's hopes of reaching the fourth round of the Australian Open for the first time ended with a five-set loss to Czech youngster Jiri Lehecka.
Andy Murray conjured up another extraordinary win at the Australian Open.
Novak Djokovic is worried about his left hamstring problem that flared up again in his victory over Enzo Couacaud.
Novak Djokovic survived a four-set battle with Enzo Couacaud to reach the third round of the Australian Open but concerns will be growing over the state of his left hamstring.