Saina Nehwal has lost to the World No.1 and Olympic Champion Li Xuerui of China in the Group-B match of BWF World Super Series finals Badminton Tournament. Li defeated Saina 21-9 and 21-14 in a match today.Yesterday in the opening match, Saina lost to Japan's Minatsu Mitani 21-19, 22-24 and 19-21. With the second defeat in the tournament, her chances for getting into semi-finals have turned bleak.