The ATP Tour brought the world number ones for a short conversation as they prepared for the prestigious tournament.
Djokovic has refused to take the vaccine and appears set to miss out on the year's last Grand Slam
Jannik Sinner's stupendous year may have been clouded by an anti-doping controversy but on the court he is finishing the season like an express train and has won 25 of his last 26 matches.
It was Novak Djokovic's first match this year after his Australian Open hopes were dashed when he was deported following an 11-day saga revolving around his decision not to have a COVID-19 vaccination.
Djokovic has declined to disclose whether he is vaccinated, citing privacy.
Serum CEO Adar Poonawalla posted a video of him playing tennis, with a message for the unvaccinated Novak Djokovic.
Second seed Aryna Sabalenka beat Japanese qualifier Moyuka Uchijima 6-2 6-2 under the roof on Court Philippe-Chatrier on Thursday to move into the French Open third round.
Images from Day 3 of the 2022 Wimbledon Championships at the All England Lawn Tennis and Croquet Club in London, on Wednesday.
World No 1 Djokovic on Sunday won his sixth Wimbledon title. With this win, Djokovic now has 20 Grand Slams to his name and he is now equal with Swiss tennis maestro Roger Federer and Nadal.
World number one Novak Djokovic was released from Australian immigration detention on Monday after winning a court challenge to revive his bid to win a record 21st Grand Slam title at the upcoming Australian Open.
At one stage, police deployed pepper spray.
Djokovic welcome to play if he can obtain visa, says Australian Open director
Sinner, Alcaraz will keep tennis' flag flying: Shastri
'I'm not vaccinated and I'm not planning to get vaccinated so the only good news I can have is them removing the mandated green vaccine card'
A round-up of all tennis action on Friday.
Images from Day 6 of the 2023 Australian Open at Melbourne Park on Saturday.
Factbox on Carlos Alcaraz, who beat Alexander Zverev
Novak Djokovic is still uncertain whether he will take part in the 2022 Australian Open but will soon make a decision, the World No 1 said after Serbia's 2-1 defeat by Croatia in the Davis Cup semi-finals on Friday.
Djokovic, who has won nine titles at Melbourne Park, including the last three, confirmed on Tuesday that had received a vaccination exemption to allow him to bid for a record 21st major title at the Australian Open, which starts on January 17.
He was drawn in the toughest half of the draw with Nadal as well as in-form Spanish teenager Carlos Alcaraz and world number three Alexander Zverev, who could clash in the last eight.
Zheng Qinwen became the first Chinese player to win an Olympic tennis singles gold medal when she held off Croatia's Donna Vekic for a 6-2, 6-3 win in a tense final on Saturday.
Unvaccinated tennis star Novak Djokovic won the right to take his fight against deportation from Australia to a Federal Court on Saturday after the government cancelled his visa for the second time over COVID-19 entry regulations.
Images from the French Open quarter-final between Rafael Nadal and Novak Djokovic at Roland Garros on Tuesday.
Images from Day 6 at the French Open, at Roland Garros, in Paris, on Friday.
The Serbian Wimbledon champion extended his win streak to nine, wrapping up the final in 75 minutes without facing a break point and booked his place at next month's ATP Finals.
Carlos Alcaraz announced himself in Madrid when he played with a sore ankle but still dispatched three top five players -- Rafael Nadal, Djokovic and Alexander Zverev -- en route to his second Masters title, just days after his 19th birthday.
Osaka takes equity stake in crypto exchange FTX
World number one Novak Djokovic once again declined to reveal whether he has been vaccinated against COVID-19 and said he is unsure if he would defend his title at next year's Australian Open.
The company is developing a peptide, which inhibits the coronavirus from infecting the human cell, expects to launch clinical trials in Britain this summer, he added.
Serbia's parliamentary speaker, Ivica Dacic, said on Monday he is concerned tennis star Novak Djokovic could still be deported from Australia despite winning his court case over his visa and vaccination exemption.
Djokovic had been favourite to win a 10th title at Melbourne Park and claim a 21st Grand Slam crown but the Serb now faces being deported from Australia.
It took the COVID-19 pandemic to put a brake on Djokovic's 18-match unbeaten run in 2020, as he won the ATP Cup with Serbia, an eighth Australian Open title and a fifth Dubai Tennis Championships before the season came to a halt in early March.
Djokovic did not drop a set en route to the final in Rome
Djokovic will be nowhere near the centre court after losing his bid to overturn a second visa cancellation.
Images from the men's singles fourth round matches on Day 8 of the 2023 Australian Open in Melbourne on Monday.
American great Pete Sampras said he does not expect any player to match Novak Djokovic's feat of winning the men's year-end world number one ranking seven times.
Images from Day 9 of the Wimbledon 2022 Championships at the All England Lawn Tennis and Croquet Club in London, on Tuesday.
Australian authorities scrambled on Sunday to file a legal defence of their decision to bar entry to tennis world number one Novak Djokovic over his COVID-19 vaccination status, as the Serbian superstar spent his fourth day in immigration detention.
The reaction has been swift across the world to Novak Djokovic's visa has been cancelled for a second time by the Australian government.
The 34-year-old is currently housed in a government detention hotel in the suburb of Carlton, 5 km (2 miles) north of Melbourne Park, after authorities cancelled his visa when he arrived in Australia.