Doubts remained around the arrival in Australia of world number 1 Novak Djokovic.
But he will be present at the ATP Cup in Sydney.
The winner of 20 Grand Slam tournaments had cast doubt on his participation in the Australian Open in January, declining to say if he was vaccinated, but he is on the Serbian squad list at the time of the draw the fate of the ATP Cup which will precede the Melbourne tournament in early 2022.