Williams defeats Sanchez in quarterfinals
Top-ranked Serena Williams opened her season with a 6-1, 6-2 win over Maria Jose Martinez Sanchez today, reaching the quarterfinals at a Sydney International where other leading players have struggled.
The American will now play Vera Dushevina in the quarterfinals.
Number Three Svetlana Kuznetsova lost 7-5, 6-2 to Slovakia\'s Dominika Cibulkova, joining fourth-seeded Caroline Wozniacki, Number 7 Jelena Jankovic and Number 8 Vera Zvonareva as losers in the first two rounds.
Second-seeded, Dinara Safina was in trouble in her first set since she quit with a back injury in October, losing the opening five games. However, she recovered to win 9 straight in a 7-5, 6-4 victory over Agnieszka Radwanska of Poland.
Safina will next play Olympic gold medalist, Elena Dementieva, who held off Slovakia\'s Daniela Hantuchova 6-2, 4-6, 6-2.