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Australian Open champion Novak Djokovic has cast doubt on defending his title after once again failing to answer whether he is fully vaccinated from Covid-19.
Victoria recently introduced a mandatory vaccination policy for athletes playing within the state.
However, the Victorian Government have yet clarify what the status will be for overseas athletes arriving in Melbourne.
This has cast doubt over whether Djokovic, vaccination status unknown, will compete.
And the 20-time Grand Slam champion has admitted he doesn't know at this point in time.
"Things beings as they are, I still don't know if I will go to Melbourne," Djokovic told the online edition of Serbian daily Blic.
"I will not reveal my status whether I have been vaccinated or not, it is a private matter and an inappropriate inquiry.
"People go too far these days in taking the liberty to ask questions and judge a person. Whatever you say 'Yes, no, maybe, I am thinking about it', they will take advantage."
Novak Djokovic expresses desire to compete in Melbourne
Djokovic has won the Australian Open a record nine-times and would be heavy favourite to take his tally into double digits.
The added incentive to overtake Roger Federer and Rafael Nadal in the grand slam title race will also be on Djokovic's mind.
Without him in Melbourne it would give Nadal, Federer appearing unlikely to play, a chance to go ahead.
"Of course I want to go, Australia is my most successful grand slam tournament," he said.
"I want to compete, I love this sport and I am still motivated.
"I am following the situation regarding the Australian Open and I understand the final decision (on Covid-19 related restrictions) will be made in two weeks.
"I believe there will be a lot of restrictions just like this year, but I doubt there will be too many changes.
"My manager, who is in contact with the Australian tennis federation, tells me they are trying to improve the conditions for everyone, both for those who have been vaccinated and those who have not."
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