The Serbian tennis ace, who is in lockdown in Spain, spoke out against being forced to receive a vaccination in order to travel to tournaments
Here is a look at the effects on sport of the coronavirus, which on Monday had killed over 3 800 people while infecting more than 110 000 in over 100 countries
Frustrated Andy Roddick says the ATP is wearing out its top players, warning that a schedule without a proper off-season was asking for trouble.
