MELBOURNE, AUSTRALIA - JANUARY 20: Lauren Davis of the United States serves in her second round match against Magdalena Rybarikova of Slovakia during day three of the 2016 Australian Open at Melbourne Park on January 20, 2016 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 20:  Lauren Davis of the United States serves in her second round match against Magdalena Rybarikova of Slovakia during day three of the 2016 Australian Open at Melbourne Park on January 20, 2016 in Melbourne, Australia.  (Photo by Michael Dodge/Getty Images)