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.
Romelu Lukaku makes Belgium's World Cup roster
Romelu Lukaku was named to Belgium's 26-man World Cup roster on Friday despite the team's all-time leading scorer being limited to only five appearances for Napoli this season due to injuries.
France reveals World Cup roster; Camavinga, Chevalier left off
France's World Cup roster includes a star-studded assortment of talent, with Real Madrid infielder Eduardo Camavinga arguably the most notable omission.
Punjab crack under pressure to leave IPL playoffs hopes in balance
Punjab Kings set the early pace in the Indian Premier League by going seven matches unbeaten, but a run of five straight defeats has left their playoffs hopes in the balance and assistant coach Brad Haddin concedes they have failed to deal with the pressure.
Mbappe booed on return as Real Madrid beat Oviedo 2-0
Kylian Mbappe was greeted with a chorus of boos and whistles from Real Madrid's own fans as he returned from a hamstring injury during his side's 2-0 LaLiga home win over Real Oviedo on Thursday.
Ireland's McCabe to leave Arsenal at end of season
Ireland captain Katie McCabe will leave Arsenal at the end of the season when her contract expires, bringing an end to a spell of more than a decade at the north London club.
The UAE has strongly rejected Iranian allegations and threats targeting its sovereignty and national security, reaffirming its right to respond to any hostile actions in line with international law.
Dubai is set to roll out drone delivery services across selected public parks and beaches as part of its push to enhance smart mobility and visitor convenience.
The UAE and India have agreed the framework for a strategic defence partnership following talks between President His Highness Sheikh Mohamed bin Zayed Al Nahyan and Indian Prime Minister Narendra Modi on Friday.
