Tennis news 2021: Novak Djokovic withdraws from ATP Cup in Sydney, Australian Open 2022, ATP Cup teams
![Novak Djokovic: World No 1's father casts doubt on his Australian Open participation | Tennis News | Sky Sports Novak Djokovic: World No 1's father casts doubt on his Australian Open participation | Tennis News | Sky Sports](https://e1.365dm.com/21/11/768x432/skysports-novak-djokovic-tennis_5590209.jpg?20211120230725)
Novak Djokovic: World No 1's father casts doubt on his Australian Open participation | Tennis News | Sky Sports
![Novak Djokovic criticises Wimbledon's 'crazy' ban on Russian and Belarusian players | Tennis News | Sky Sports Novak Djokovic criticises Wimbledon's 'crazy' ban on Russian and Belarusian players | Tennis News | Sky Sports](https://e0.365dm.com/22/04/2048x1152/skysports-novak-djokovic-tennis_5745875.jpg)
Novak Djokovic criticises Wimbledon's 'crazy' ban on Russian and Belarusian players | Tennis News | Sky Sports
![Tennis news - 'Novak Djokovic will need coronavirus vaccination if he wants to play' - Rafael Nadal - Eurosport Tennis news - 'Novak Djokovic will need coronavirus vaccination if he wants to play' - Rafael Nadal - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x0/filters:format(jpeg):focal(1255x312:1257x310)/origin-imgresizer.eurosport.com/2020/01/17/2755037-56922750-2560-1440.jpg)