The Australian Open lead-up has been plunged into chaos with at least 47 players now confined to their hotel rooms for the next 14 days after three positive coronavirus tests from two separate charter flights to Melbourne. Two-time champion Victoria Azarenka, three-time grand slam winner Angelique Kerber and 2019 US Open victor Bianca Andreescu are among the players affected. An aircrew member and a non-playing participant tested positive following their arrival from Los Angeles on January 15, initially leaving Azarenka among 24 players having to quarantine. But the situation quickly escalated, with Tennis Australia (TA) on Saturday evening confirming another positive COVID test returned from a passenger on a charter flight into Melbourne from Abu Dhabi. Sylvain Bruneau, the coach of Andreescu, later announced on social media that he was the person to test positive despite following “all Covid protocols and guidelines while in the Middle East”. TA said that …