HONG KONG - MARCH 03:  (L-R) Samantha Stosur of Australia, Tomas Berdych of Czech Republic, Lleyton Hewitt of Australia and Li Na of China pose for photographs during a Press Conference at a hotel ahead of the BNP Paribas Showndown at the Hong Kong Velodrome on March 3, 2014 in Hong Kong, Hong Kong.  (Photo by Stanley Chou/Getty Images)