Champion Muguruza beaten by France's Mladenovic in last 16

PARIS (Reuters) - Defending champion Garbine Muguruza of Spain was knocked out of the French Open when she lost 6-1 3-6 6-3 in the fourth round against France's Kristina Mladenovic on Sunday. Mladenovic served 16 double faults but came out on top to set up a quarter-final meeting with either American Venus Williams or Timea Bacsinszky of Switzerland. (Reporting by Julien Pretot; Editing by Ossian Shine)