Petkovic wins 2nd-round match at Brisbane

Second-seeded Andrea Petkovic of Germany advanced to the quarterfinals of the Brisbane International with a 7-6 (2), 6-0 win over Barbora Zahlavova Strycova of the Czech Republic on Tuesday.

Joining Petkovic in the final eight will be 2010 French Open champion Francesca Schiavone of Italy, who beat Galina Voskoboeva of Kazakhstan 6-4, 6-4.

The top-seeded men's player, Andy Murray, plays his opening match on Tuesday night, followed by a second-round match between defending Australian Open champion Kim Clijsters and former French Open winner Ana Ivanovic.

Top-seeded Samantha Stosur and the player she beat in last year's U.S. Open final, Serena Williams, won their first-round matches Monday play their second-round matches on Wednesday.