Melbourne, Australia ? Vera Zvonareva ran off 11 straight games in a 6-3, 6-0 victory over Marion Bartoli at the Australian Open today to reach the semifinals for the first time in 25 majors.

In the following match on Rod Laver Arena, defending champion Novak Djokovic was up against No. 7 Andy Roddick in the first of the men’s quarterfinals.

Roger Federer, seeking a record-equaling 14th Grand Slam singles title, was against No. 8 Juan Martin del Potro in a night match.

Andy Murray lost to No. 14 Fernando Verdasco of Spain in five sets Monday in the fourth round.