No-nonsense Serena keeps it simple with third win
By Ece Toksabay
ISTANBUL (Reuters) - Round-robin formats at tennis tournaments can cause confusion but Serena Williams has an easy solution, just keep winning.
The American crushed Petra Kvitova 6-2 6-3 to complete her stroll through the Red Group at the season-ending WTA Championships, looking unbeatable in the process.
World number one Williams, looking to retain her title, has won all three matches at the Sinan Erdem Dome without a dropped set, leaving her rivals to scrap over the runners-up spot in the section.
China's Li Na is also unbeaten in the White Group after a 6-3 2-6 6-3 victory over Serbia's Jelena Jankovic on Thursday.
The world number five was forced to fight hard by Jankovic in the only match in the tournament to go the distance so far.
With second seed Victoria Azarenka playing her final match on Friday, Li is still not guaranteed to reach the last four as Jankovic will be expected to beat already eliminated Sara Errani.
Li leads the standings but she, Azarenka and Jankovic could all end up with two wins apiece.
"Matches are always tough with Jelena because she is a very different player. Today I was running a lot, forward and backward on the court," Li said. Continued...