Flavia Pennetta of Italy makes a forehand return against Maria Sharapova of Russia during their singles match at the WTA tennis finals in Singapore on Thursday, Oct. 29, 2015.,Image: 583689294, License: Rights-managed, Restrictions: This content is intended for editorial use only. For other uses, additional clearances may be required., Model Release: no, Pictured: Flavia Pennetta,Maria Sharapova