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AUCKLAND, NEW ZEALAND - JANUARY 02: Viktoria Kuzmova of Slovakia serves in her match against Jade Lewis of New Zealand during day two of the ASB Women's Classic at ASB Tennis Centre on January 2, 2018 in Auckland, New Zealand. (Photo by Anthony Au-Yeung/Getty Images)

AUCKLAND, NEW ZEALAND - JANUARY 02:  Viktoria Kuzmova of Slovakia serves in her match against Jade Lewis of New Zealand during day two of the ASB Women's Classic at ASB Tennis Centre on January 2, 2018 in Auckland, New Zealand.  (Photo by Anthony Au-Yeung/Getty Images)