Novak Djokovic makes his eagerly anticipated return to the Australian Open on Tuesday and women's world number two Ons Jabeur will also launch her title bid.

Defending champion Rafael Nadal admitted Saturday he felt vulnerable heading into the Australian Open after two straight defeats in the build-up and said that Novak Djokovic was clear favourite.

Novak Djokovic said he felt "emotional" following a warm reception from fans upon his return to Melbourne Park for a practice match against Nick Kyrgios on Friday.

Novak Djokovic may never forget his deportation from Australia over his refusal to be vaccinated against COVID, but the Serb will hope a record-extending 10th major in Melbourne provides closure to his storied career's most controversial chapter.

Novak Djokovic, Tunisian world number two Ons Jabeur and six other top players will form the first executive committee of the Professional Tennis Players Association (PTPA) as it fights for a seat at the table with the sport's governing organisations.

Novak Djokovic has won the Australian Open a record nine times but a 10th title in Melbourne this month will be the most satisfying of all after his humiliating ban a year ago.

 Nick Kyrgios took a cheeky dig at his critics after tickets for Friday's practice match with Serb Novak Djokovic sold out in 58 minutes, proving the Australian's huge box office draw.

Novak Djokovic dug deep to save a match point on the way to a 6-7(8) 7-6(3) 6-4 victory over Sebastian Korda in the Adelaide International 1 final on Sunday ahead of this month's Australian Open.

Novak Djokovic overcame an injury scare midway through his match against Daniil Medvedev on Saturday to mow down the Russian 6-3 6-4 and storm into the Adelaide International 1 final, where he will take on unseeded American Sebastian Korda.

Former world number one Daniil Medvedev set up an Adelaide International semi-final against either Novak Djokovic or Denis Shapovalov Friday with a command performance in the countdown to the opening Grand Slam of the year.

Novak Djokovic said "it is what it is" Thursday as he faced the prospect of missing more tournaments in the United States over his refusal to have a coronavirus shot.

Novak Djokovic battled back from 5-2 down in the first set to beat Quentin Halys 7-6(3), 7-6(5) and move into the Adelaide International 1 quarter-finals on Thursday.

Novak Djokovic swept to victory in his first singles match on Australian soil since being deported a year ago, crushing Constant Lestienne at the Adelaide International on Tuesday to kick-start his bid for another Grand Slam title.

Daniil Medvedev on Sunday admitted he would rather be playing at the mixed teams United Cup than the Adelaide International, but the Russian intends to make the most of the season-opening event.

Novak Djokovic admitted Thursday that being deported from Australia was an experience he will never forget, but it was time to move on, as he enjoyed a warm welcome in Adelaide.

Former world number one Novak Djokovic arrived in Australia on Tuesday almost one year after he was deported for refusing to be vaccinated against Covid-19, tennis officials said.

Novak Djokovic and Rafael Nadal kickstart their 2023 campaigns this week in Adelaide and Sydney respectively, with the superstar veterans and great rivals eyeing up yet more Australian Open glory.

Novak Djokovic said  winning a record-equalling sixth ATP Tour Finals title on Sunday was a "deeply satisfying" ending to his troubled and truncated year.

Novak Djokovic will be able to bid for a record-extending 10th men's singles title at next year's Australian Open after being granted a visa to travel to the tournament.

Former world number one Novak Djokovic will be granted a visa to play in the 2023 Australian Open, local media reports said Tuesday, despite his deportation from the country ahead of this year's tournament in January.