released today reveal that djokovic knew he had covid last month, but still then went to events en masse and pictured with players including young players. reporter: that s right, this is raising questions. an affidavit from djokovic december 16th he tested positive for covid-19 but december 16th was also when he was photographed in public maskless at a panel discussion with an audience also maskless. we also know the day after he was at an award ceremony surrounded by a number of young players again without wearing a mask. this is a question everybody was asking and one journalists had a chance to ask his family in serbia. they held a press conference but chose not to engage on that question, his father mentioning that was something for the courts but it is certainly a question asked very closely.