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MELBOURNE, AUSTRALIA - JANUARY 20: Eugenie Bouchard of Canada serves in her third round match against Coco Vandeweghe of the United States on day five of the 2017 Australian Open at Melbourne Park on January 20, 2017 in Melbourne, Australia. (Photo by Cameron Spencer/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 20:  Eugenie Bouchard of Canada serves in her third round match against Coco Vandeweghe of the United States on day five of the 2017 Australian Open at Melbourne Park on January 20, 2017 in Melbourne, Australia.  (Photo by Cameron Spencer/Getty Images)