'He Probably Won't Play': Djokovic's Dad Accuses Australian Open of 'Blackmail' Over Vaccine Mandate

The 20-time Grand Slam champion - Novak Djokovic - is not the only big name in the tennis world who has made his apprehensions about getting vaccinated against the coronavirus public. French Open finalist and Greek star Stefanos Tsitsipas also irked his country's health authorities after refusing to get jabbed a few months ago.