Alexandre Muller
United States' Venus Williams rests in her chair during break in her match against Petra Kvitova of the Czech Republic in a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Tuesday, Feb. 2, 2021. (AP Photo/Andrew Brownbill)
Nadal sidelined; team Djokovic wins to open ATP Cup defense

By John Pye Feb. 01, 2021 09:41 PM EST