Victoria Azarenka injured, ousted
ISTANBUL -- Li Na reached the semifinals of the WTA Championships with a 6-2, 6-1 victory Friday over Victoria Azarenka, who was wincing in pain from a back injury that brought her to tears.
The fourth-seeded Li will play 2011 champion Petra Kvitova, who rallied past Angelique Kerber 6-7 (3), 6-2, 6-3 in the season-ending tournament that features the top eight players in the world.
Defending champion Serena Williams will play Jelena Jankovic in a semifinal on Saturday. Williams, ...
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