On Saturday, Spaniard Garbiñe Muguruza defeated top-ranked tennis star Serena Williams in the French Open finals. This is the first Grand Slam title for No. 4 ranked Muguruza, 22, and the third straight first-time women's Grand Slam title, following Flavia Pennetta's U.S. Open win and Angelique Kerber's victory in the Australian Open.