MELBOURNE, AUSTRALIA - JANUARY 23:  Martina Hingis of Switzerland and Sania Mirza of India compete in their second round match against Lyudmyla Kichenok of the Ukraine and Nadiia Kichenok of the Ukraine during day six of the 2016 Australian Open at Melbourne Park on January 23, 2016 in Melbourne, Australia.  (Photo by Michael Dodge/Getty Images)