2021/02/10 01:57 United States Tennys Sandgren reacts during his match against Australia s Alex De Minaur during their first round match at the Australian Open tennis. United States Tennys Sandgren reacts during his match against Australia s Alex De Minaur during their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Feb. 9, 2021.(AP Photo/Hamish Blair) Victoria Azarenka of Belarus reacts during her match against United States Jessica Pegula in their first round match at the Australian Open tennis ch. Victoria Azarenka of Belarus reacts during her match against United States Jessica Pegula in their first round match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Feb. 9, 2021.(AP Photo/Rick Rycroft)