Maria Sharapova of Russia returns the ball to Carla Suarez Navarro of Spain during their final match for the Italian Open tennis tournament at the Foro Italico in Rome, Italy, 17 May 2015. EPA/MAURIZIO BRAMBATTI

Maria Sharapova of Russia returns the ball to Carla Suarez Navarro of Spain during their final match for the Italian Open tennis tournament at the Foro Italico in Rome, Italy, 17 May 2015. EPA/ETTORE FERRARI

Maria Sharapova of Russia serves the ball to Carla Suarez Navarro of Spain during their final match for the Italian Open tennis tournament at the Foro Italico in Rome, Italy, 17 May 2015. EPA/MAURIZIO BRAMBATTI

Maria Sharapova of Russia holds the trophy after beating Carla Suarez Navarro of Spain in their final match for the Italian Open tennis tournament at the Foro Italico in Rome, Italy, 17 May 2015. EPA/ETTORE FERRARI

Maria Sharapova of Russia holds the trophy after beating Carla Suarez Navarro of Spain in their final match for the Italian Open tennis tournament at the Foro Italico in Rome, Italy, 17 May 2015. EPA/ETTORE FERRARI

Maria Sharapova of Russia holds the trophy after beating Carla Suarez Navarro of Spain in their final match for the Italian Open tennis tournament at the Foro Italico in Rome, Italy, 17 May 2015. EPA/ETTORE FERRARI