Novak Djokovic, the men's world number one tennis player, has tested positive for Covid-19, the Serbian has said in a statement.
Croatia's Borna Coric, Grigor Dimitrov of Bulgaria and Viktor Troicki have previously tested positive after playing in Djokovic's Adria Tour exhibition tournament in the Balkan region.
In a statement on his website, Djokovic said he and his wife Jelena, who also tested positive, were currently asymptomatic and would self-isolate.
Djokovic said: "I am extremely sorry for each individual case of infection. I hope that it will not complicate anyone's health situation and that everyone will be fine." With international tennis suspended due to the Covid-19 pandemic, Djokovic had organised the Adria Tour as a charity