Elena Dementieva of Russia (7th L) poses with players, her mother Vera Dementieva (4th R) and WTA CEO Stacey Allaster (2nd R) at a ceremony to announce her retirement after her match against Francesca Schiavone of Italy at the WTA Tour Championships tennis match in Doha October 29, 2010. REUTERS/Stringer (QATAR - Tags: SPORT TENNIS)