IBNLive Serena, Sharapova, Radwanska win at WTA ChampionshipsSI.comISTANBUL (AP) – With the year-end top ranking out of reach, Serena Williams will settle for the title…

Eurosport.com AU UPDATE 1-Tennis-Holder Kvitova shocked, Williams, Sharapova winChicago TribuneWimbledon and U.S. Open champion Williams eased to a 6-4 6-1 victory against Germany’s Angelique Kerber,…