Djokovic likely to skip Australian Open over vaccine mandate, says father

Novak Djokovic returns the ball to Cameron Norrie during their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Friday, Nov. 19, 2021. (AP Photo/Luca Bruno) Novak Djokovic returns the ball to Cameron Norrie during their ATP World Tour Finals singles tennis match, at the Pala Alpitour in Turin, Friday, Nov. 19, 2021. (AP Photo/Luca Bruno)