Novak Djokovic has tested positive for the coronavirus following an exhibition event he organized in Croatia. The world No. 1 confirmed that both he and his wife Jelena had also tested positive for Covid-19 upon returning home to Serbia, while his children's results were negative.
source https://www.cnn.com/videos/sports/2020/06/23/novak-djokovic-tests-positive-coronavirus-adria-tour-jelena-grigor-dimitrov-tennis-spt-intl.cnn