The world number one, who has won at Melbourne Park on nine occasions, has repeatedly refused to say whether he has been vaccinated against coronavirus having previously expressed hesitancy over being jabbed.
Browsing: ATP Cup
Novak Djokovic eased past Greek Stefanos Tsitsipas 6-3, 6-4 to lift his fifth Dubai Tennis Championships title on Saturday, extending his unbeaten start to the 2020 season.
Serbia’s Novak Djokovic returned to the top of the ATP Rankings for a fifth stint after capturing a record-extending eighth Australian Open title.
Novak Djokovic inspired Serbia to win the inaugural ATP Cup title with a 2-1 victory over Spain at the Ken Rosewall Arena in Sydney.
Federer’s decision to withdraw means Switzerland can no longer take part in the nation-based event on January 3 to 12 and that six more countries will now qualify, based on the world rankings of their top players.
Former world number one, Murray has played only a handful of singles matches since having a career-saving hip surgery earlier this year, but qualified for the nation-based tournament with a protected ranking.