Tennis Tipster News: Zvonareva defeats Safarova in straight sets.

Vera Zvonareva sailed through to the 4th round with a 6-3 7-6 win over former top 20 player Lucie Safarova of the Czech Republic. The Russian is bidding to reach her third consecutive Grand Slam final and also fighting for the world number one spot with Clijsters and Wozniacki.