Novak Djokovic, the men’s world No.1 tennis player, has tested positive for COVID-19, the Serbian confirmed on Tuesday.

In a statement released to local media, Djokovic said both he and his wife were infected, while their children returned a negative result.

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.