Alex Bolt
Australia's Nick Kyrgios prepares to throw his racket into the stands during his match against Croatia's Borna Coric at a tuneup event ahead of the Australian Open tennis championships in Melbourne, Australia, Friday, Feb. 5, 2021.(AP Photo/Andy Brownbill)
Williams withdraws from semifinals in Australian Open tuneup

By John Pye Feb. 04, 2021 08:52 PM EST