Sports Bianca Andreescu’s Coach Sylvain Bruneau Says He Tested Positive On Australian Open’s Abu Dhabi Flight | Tennis News News Desk January 17, 2021 Sylvain Bruneau said he had tested negative within 72 hours of the flight’s departure from the Gulf.© Twitter Sylvain Bruneau, the coach of 2019 US Open champion Bianca Andreescu, said …