Rising star Jiri Lehecka has knocked British men’s number one Cameron Norrie out of the Australian Open . The Czech fought back to win 6-7 (8-10) 6-3 3-6 6-1 6-4 in the third round.
Lehecka will play Canadian sixth seed Felix Auger-Aliassime in the fourth round on Sunday.
Meanwhile, two-time finalist Daniil Medvedev suffered a shock third-round defeat by American Sebastian Korda at the Australian Open as top players continue to fall in the men’s draw.
Former US Open champion and seventh seed Medvedev lost 7-6 (9-7) 6-3 7-6 (7-4) to 22-year-old Korda.
Top two seeds Rafael Nadal and Casper Ruud are already out, although third seed Stefanos Tsitsipas won on Friday.
Fourth seed Novak Djokovic will play his third-round match on Saturday.
World number one Iga Swiatek needed just 55 minutes to beat Spanish qualifier Cristina Bucsa and breeze into the Australian Open fourth round.
Poland’s Swiatek won 6-0 6-1 on Margaret Court Arena and will play Wimbledon champion Elena Rybakina next.
Third seed Jessica Pegula also enjoyed a speedy victory on Friday, taking 65 minutes to beat Marta Kostyuk 6-0 6-2 while seventh seed Coco Gauff advanced with a 6-3 6-2 victory over American compatriot Bernarda Pera.