Martina Hingis to retire (for the third time) after WTA Finals

Singapore • Martina Hingis announced Thursday that she will retire from tennis for the third time in her career at the end of the ongoing WTA Finals.The Swiss initially confirmed the news on Twitter and Facebook after winning her quarterfinal doubles match. The top-seeded pair, Hingis and Chan Yung-Jan of Taipei, defeated Anna-Lena Groenefeld of Germany and Kveta Peschke of Czech Republic 6-3, 6-2."I told Latisha (Chan) from the start (of the year), 'Hey this will probably be my last year,"