Two tennis stars have tested positive for Coronavirus after their participation in Novak Djokovic’s Adria Tour. Former world No 3 and Bulgarian star, Grigor Dimitrov first revealed on Sunday that he tested positive for the virus just moments before world No 1 Novak Djokovic was due to take on Andrey Rublev in the final of the Adria Tour exhibition series in Croatia. The final clash was cancelled as those involved were asked to get tested. Announcing his positive test, Dimitrov wrote …