DUBAI, UNITED ARAB EMIRATES - FEBRUARY 19:  Garbine Muguruza of Span plays a backhand  against Carla Suarez Navarro of Spain  during their women's singles quarterfinal match of the WTA Dubai Duty Free Tennis Championship at the Dubai Duty Free Stadium on February 19, 2015 in Dubai, United Arab Emirates.  (Photo by Francois Nel/Getty Images)