By Magdalena Stanislav
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| Serena Williams posted 28th win in 29 matches against Li Na at WTA Championships |
ISTANBUL, Turkey
(TheSportsNEXT) October 24, 2012: Serena Williams of United States won her
second straight match at the WTA Championships 2012 on Wednesday when she edged
out Li Na of China by 7-6 (7-1) 6-3 in Istanbul.
