From left: tennis players Caroline Wozniacki (Denmark), Agnieszka Radwanska (Poland), Petra Kvitova (Czech Republic), Maria Sharapova (Russia), Serena Williams (United States), Simona Halep (Russia), Eugenie Bouchard (Canada) and Ana Ivanovic (Serbia) before the draw ceremony of the Women's Tennis Association (WTA) Finals which will take place in Singapore.
