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AUCKLAND, NEW ZEALAND - JANUARY 08: (EDITORS NOTE: Multiple exposures were combined in camera to produce this image.) Denis Shapovalov of Canada serves in his first round match against Rogerio Dutra Silva of Brazil during day one of the ASB Men's Classic at ASB Tennis Centre on January 8, 2018 in Auckland, New Zealand. (Photo by Anthony Au-Yeung/Getty Images)

AUCKLAND, NEW ZEALAND - JANUARY 08:  (EDITORS NOTE: Multiple exposures were combined in camera to produce this image.) Denis Shapovalov of Canada serves in his first round match against Rogerio Dutra Silva of Brazil during day one of the ASB Men's Classic at ASB Tennis Centre on January 8, 2018 in Auckland, New Zealand.  (Photo by Anthony Au-Yeung/Getty Images)