AUCKLAND, NEW ZEALAND - JANUARY 03: Caroline Wozniacki of Denmark follows through her shot in her match against Nicole Gibbs of USA on day two of the ASB Classic on January 3, 2017 in Auckland, New Zealand. (Photo by Anthony Au-Yeung/Getty Images)
AUCKLAND, NEW ZEALAND - JANUARY 03: Caroline Wozniacki of Denmark follows through her shot in her match against Nicole Gibbs of USA on day two of the ASB Classic on January 3, 2017 in Auckland, New Zealand. (Photo by Anthony Au-Yeung/Getty Images)