Swiss tennis player Roger Federer returns a point to Swedish player... News Photo - Getty Images
London, UK. 01st July, 2019. Wimbledon Tennis Tournament, Day 1; After slipping over Venus Williams (USA) continues with the point and returns a forehand past Cori Gauff (USA) Credit: Action Plus Sports
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Australia's Jelena Dokic returns to Denmark's Caroline Wozniacki during their match at the Australian Open tennis tournament in Melbourne January 23, 2009. REUTERS/Darren Whiteside (AUSTRALIA Stock Photo - Alamy