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.

Novak Djokovic had enough of an edge at the beginning and the end as he beat Stefanos Tsitsipas 6-4, 7-6 (7/4) on Monday in the ATP Finals, a defeat that ended the Greek's hopes of finishing the year at number one.

Holger Rune said beating Novak Djokovic in the Paris Masters final on Sunday was the icing on the cake in a week where he bagged his first Masters title and became the first Danish man to crack the top 10 of the ATP rankings.

Novak Djokovic said his Wimbledon triumph gave him a much-needed boost of confidence during a tough season and that it laid the platform for a strong finish to the year.

Novak Djokovic is eager to play at the Australian Open but it's up to him to "work out the situation" with the government, tournament chief Craig Tiley said Wednesday, while confirming Russians and Belarusians can compete as neutrals.

Novak Djokovic believes his prolonged but self-inflicted absences in 2022 make him even more "super-pumped and motivated" to finish a year which started with the ignominy of deportation from Australia on a high.

Novak Djokovic claimed the 90th title of his career and the fourth of 2022 with a dominant straight-sets victory over Stefanos Tsitsipas in the ATP final in Astana on Sunday.

Top seed Novak Djokovic produced a stellar display to sweep aside Croatian Marin Cilic 6-3 6-4 in the final of the ATP 250 Tel Aviv Open on Sunday and clinch his third title of the season.

Novak Djokovic, playing a singles tournament for the first time since winning Wimbledon in July, reached the Tel Aviv quarter-finals on Thursday with a straight-sets victory over Spain's Pablo Andujar.

Rafa Nadal said it was sad news that his great rival Novak Djokovic will be missing from the U.S. Open, adding that the absence of a player of the Serbian's calibre was an important miss for the hardcourt Grand Slam.

Former tennis world number one Novak Djokovic said on Thursday that he will not be able to travel to New York to compete at the U.S. Open, the last Grand Slam of the year that begins next week.