Last updated on .From the section Tennis
The first match of Andy Murray's career ended in a straight set loss to Sebastian Korda.
The British man, who is ranked 49 in the world, was defeated by his opponent.
Korda dominated the second set after Murray had recovered from a break down in the opening set to force a tie-break.
On Tuesday, Kyle Edmund also left the tournament.
Edmund, who was using a protected ranking to enter the event after a series of injuries, lost 6-3 6-2 to Italian sixth seed Jannick Sinner.
In his first match on Australian soil since being deported a year ago, Novak Djokovic defeated Constant Lestienne.
The Serbian 21-time Grand Slam winner was given a warm welcome when he played a losing doubles match on Monday and received the same treatment in his 6-3 6-2 win.
"For the first match, I played very well, so I can't complain," said the 35-year-old, who is now the world number 5 and will be seeking a record-extending 10th Australian Open men's singles title later this month.
Thanks for coming out today." I would like to thank you for welcoming me.
If I have to pick a country where I've had the most success, it's here.
His three-year visa ban was overturned in November, allowing him to enter the country, even though he was deported before the Australian Open due to his Covid-19 vaccine status.
The Russian, who was beaten by Nadal in the Grand Slam decider a year ago, saved nine set points on his way to a victory over Lorenzo Sonego.