No. 1 seeds Cara Black & Liezel Huber defeated all-Spanish team Nuria Llagostera Vives & María José Martínez Sánchez in straight sets, in the first quarterfinal encounter of the women's doubles. On the other side of the draw, Australian Open champions Alona & Kateryna Bondarenko also advanced, beating unseeded pair Ashley Harkleroad & Galina Voskoboeva. Unseeded Casey Dellacqua & Francesca Schiavone were the third duo to qualify for the semifinals, upsetting sixth seeds Victoria Azarenka & Shahar Pe'er, and were followed by Anabel Medina Garrigues & Virginia Ruano Pascual, who defeated fourth seeds Yung-jan Chan & Chia-jung Chuang after three close sets and more than three hours of play.