Petra Kvitova of the Czech Republic wipes the sweat from her face during her quarterfinal match against Australia's Ashleigh Barty at the Australian Open.
AP
2/10
Germany's Alexander Zverev, left, is congratulated by Switzerland's Stan Wawrinka after winning their quarter-final match at the Australian Open.
AP
3/10
Australia’s Ashleigh Barty in action during her match against Petra Kvitova.
Reuters
4/10
Germany's Alexander Zverev signs autographs after winning his men's singles quarter-final match against Switzerland's Stan Wawrinka.
AFP
5/10
Fans watch the action at Melbourne Park
AP
6/10
Germany’s Alexander Zverev in action against Stan Wawrinka.
Reuters
7/10
Estonia's Anett Kontaveit hits a return against Romania's Simona Halep .
AFP
8/10
A supporter of Spain's Garbine Muguruza cheers her on against Russia's Anastasia Pavlyuchenko.
AFP
9/10
Simon Halep signs autographs after booking her place in the Australian Open semi-finals.
AP
10/10
Spain's Rafael Nadal and Austria's Dominic Thiem pose for a photo prior to their men's singles quarter-final match.
AFP
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