(ANSA) - SYDNEY, DEC 07 - World number one in tennisNovak Djokovic was called to join the Serbian team at the ATP Cup in Sydney in January, despite doubts raised in recent weeks that the player never wanted to reveal his vaccination status.
The 20-time Grand Slam champion had questioned his trip to defend the Australian Open title in January.
However, he is on the list of five players drawn in Sydney for an event leading up to the opening of the Grand Slam.
(HANDLE).