Serena Into Istanbul Semis as Li Na Knocks Off Injured Azarenka
On Friday, Serena Williams became the first player into the semifinals of the TEB BNP Paribas WTA Championships in Istanbul, defeating Petra Kvitova, 6-2, 6-3, to improve to 3-0 in her group in just 72 minutes. With the win, Serena now has 13 consecutive TEB BNP Paribas WTA Championship wins. Martina Navratilova holds the record…

