Defending champion Novak Djokovic has progressed to the third round after defeating Japanese wildcard Tatsuma Ito in Melbourne.
The Serb, who won 6-1, 6-4, 6-2 in one hour and 35 minutes, will now face Yoshihito Nishioka, who had crushed British number one Dan Evans in straight sets.
Sixth seed Stefanos Tsitsipas also reached the third round after opponent Philipp Kohlschreiber withdrew injured.
He will face Canadian Milos Raonic or Cristian Garin of Chile in the third round.
Dubai Basketball defeats defending EuroLeague champions
Dubai Basketball has defeated Turkish giants and reigning EuroLeague champions Fenerbahce with a score of 92-81 at the Coca-Cola Arena on Thursday to secure their second victory over the title holders in their debut EuroLeague campaign.
Belgium beat Czech Republic to reach United Cup semis
Zizou Bergs has stunned world number 18 Jakub Mensik and Elise Mertens outplayed Barbora Krejcikova as Belgium beat the Czech Republic 2-0 in the United Cup quarter-finals on Thursday to set up a last-four clash with Switzerland.
PSG clinch French Super Cup after shootout win over Marseille
Paris St Germain have clinched their fourth consecutive French Super Cup title, beating rivals Olympique de Marseille 4-1 in a penalty shootout after a dramatic 2-2 draw in Kuwait on Thursday.
Kyrgios says he won't play in singles at Australian Open
Former Wimbledon finalist Nick Kyrgios has announced on Friday he will not play in the singles competition at this month's Australian Open as he is not ready to play five-set matches.
Sabalenka to skip events in 2026 to prioritise health
Aryna Sabalenka expects to skip events again this year rather than put her health at risk over the course of an "insane" season, even though she knows she is likely to be sanctioned by the WTA Tour for doing so, the world number one said.
