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ROTTERDAM, THE NETHERLANDS - MARCH 2: Stan Wawrinka of Switzerland during his match against Karen Khachanov of Russia during the 48e ABN AMRO World Te Stock Photo - Alamy
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Mandatory Credit Photo by Shutterstock (12194410bh) Roger Federer of Switzerland in action Wimbledon Te
![Belinda Bencic of Switzerland plays a backhand against Beatriz Haddad Maia of Brazil during the Sydney Te Belinda Bencic of Switzerland plays a backhand against Beatriz Haddad Maia of Brazil during the Sydney Te](https://www.imago-images.com/bild/sp/1009069021/w.jpg)
Belinda Bencic of Switzerland plays a backhand against Beatriz Haddad Maia of Brazil during the Sydney Te
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