Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

BEIJING, CHINA - SEPTEMBER 30:  Li Na of China poses with the Road to Singapore sign before her retirement ceremony at National Tennis Centre on September 30, 2014 in Beijing, China.  (Photo by Emmanuel Wong/Getty Images)
BEIJING, CHINA - SEPTEMBER 30:  Li Na of China poses with the Road to Singapore sign before her retirement ceremony at National Tennis Centre on September 30, 2014 in Beijing, China.  (Photo by Emmanuel Wong/Getty Images)

    JUST WATCHED

    WTA Finals: Women's tennis shines in Singapore

MUST WATCH

WTA Finals: Women's tennis shines in Singapore

Former tennis stars Martina Navratilova and Li Na talk to CNN's Open Court about the decision to stage the season-ending WTA Finals in Asia.

WTA Finals: Women's tennis shines in Singapore

Former tennis stars Martina Navratilova and Li Na talk to CNN's Open Court about the decision to stage the season-ending WTA Finals in Asia.