Novak Djokovic has offered financial support and any other help required to Ukrainian former world number 31 Sergiy Stakhovsky, who has enlisted in his country's reserve army amid Russia's invasion of its neighbour.
Rafael Nadal has decided not to participate in the US Open due to concerns about his fitness
'He was a better player I think in important moments.'
Images from Day 2 of the 2023 Australian Open at Melbourne Park on Tuesday.
Serbia have been drawn in Group B alongside Spain, South Korea and Canada.
Novak Djokovic split with his long-time coach Marian Vajda at the end of the 2021 season, ending one of tennis's most enduring and successful partnerships, the Serbian former world number one said.
Australia scrapped a rule that required international travellers to declare their COVID vaccination status last week.
Reigning Paris Masters champion Novak Djokovic beat Stefanos Tsitsipas in a three-set epic on Saturday to set up a title clash with Holger Rune, who reached his first ATP Masters 1000 final after a comfortable win over Felix Auger-Aliassime.
Novak Djokovic said he would make good on his deal to buy Nick Kyrgios drinks and dinner after beating the Australian to claim a fourth successive Wimbledon title on Sunday.
Novak Djokovic, who won Wimbledon to take his major singles titles to 21, has opted not to be vaccinated against COVID-19. He said on Thursday he could not fly to New York for the year's final Grand Slam.
Unvaccinated players are not barred from participating in Wimbledon
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.
'I'm happy to be part of this Italian movement. People, they start to play tennis now more and more, which is great to see. I think that's the most important.'
Fritz delivers as US win inaugural United Cup crown
Djokovic sets sights on Paris Olympics
Australia's Nick Kyrgios said he supported vaccination "but how we are handling Novak's situation is bad, really bad". The Australian Open begins on January 17, but the multi-millionaire Djokovic is constrained from training as he sits in a hotel where one Iranian detainee said he had found maggots and mould in the bread.
It may not quite be the end for British great Andy Murray at Wimbledon but it felt like it as the 37-year-old received an emotional farewell after he and brother Jamie were beaten in the first round of the men's doubles on Thursday.
'I still feel my body is serving me, is listening to me well. That's the key I think when you get to 35-plus.'
Rafael Nadal called Novak Djokovic's COVID-19 vaccination controversy in Australia "a circus" and joked that he would prefer that the world number one tennis player didn't play at the upcoming Australian Open.
The ATP Tour brought the world number ones for a short conversation as they prepared for the prestigious tournament.
The Serbian champion said he hoped the focus would now return to tennis
Djokovic was deported from Australia, just hours after the court dismissed his effort to stay in the country to play at the Australian Open
Nadal has won the Australian and the French Open back-to-back and has the chance to become the first man to win all four majors in the same year
Top seed Novak Djokovic set up a blockbuster Wimbledon final against Nick Kyrgios after recovering from a torrid start to overwhelm Britain's Cameron Norrie 2-6, 6-3, 6-2, 6-4 on Friday.
Novak Djokovic has only faced Nick Kyrgios twice in his career, losing twice to him in 2017, so while he will be favourite to claim a seventh Wimbledon crown, he knows exactly how dangerous the unpredictable world number 40 Kyrgios can be.
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.
Novak Djokovic said on Friday he would like to return to play in Australia again despite being deported from the country earlier this year
World number one Novak Djokovic earned his 1,000th tour-level victory by beating Casper Ruud 6-4, 6-3 on Saturday to reach the Italian Open final.
Sinner, Alcaraz will keep tennis' flag flying: Shastri
Spanish teenager Carlos Alcaraz came from behind to beat world number one Novak Djokovic 6-7(5), 7-5, 7-6(5) to reach the Madrid Open final, where on Sunday he will face Alexander Zverev after the German defeated Stefanos Tsitsipas 6-4, 3-6, 6-2.
There is a petition circulating to allow Novak Djokovic to play at the US Open but the Serbian appears likely to miss the entire North American hardcourt swing barring a sudden change in COVID-19 protocols in the United States and Canada.
Novak Djokovic will spend Saturday night in immigration detention before the world's tennis number one seeks a court ruling to stop his deportation and keep alive his bid for a record 21st major title at the Australian Open.
Novak Djokovic will spend at least the next 72 hours in a Melbourne hotel before the next hearing in his fight to overturn a ban on entering Australia is held on Monday.
Immigration Minister Alex Hawke's office said he was still considering whether to use his discretionary power to cancel Novak Djokovic's visa.
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.
Factbox on Carlos Alcaraz, who beat Alexander Zverev
Djokovic has refused to take the vaccine and appears set to miss out on the year's last Grand Slam
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.