2004 US Open champion Svetlana Kuznetsova became the latest upset victim in the tournament, beaten by 28th-seeded Katarina Srebotnik of Slovenia 6-3, 6-7 (1-7), 6-3 in the third round Friday.
A day after No. 1 Ana Ivanovic of Serbia lost to 188th-ranked Julie Coin of France, the third-seeded Kuznetsova was eliminated.
"She played her top game," Kuznetsova said. "For me, like, she played unbelievable."
No. 12 Marion Bartoli of France defeated No. 23 Lindsay Davenport of the United States 6-1, 7-6 (7-3), and No. 15 Patty Schnyder of Switzerland beat Magdalena Rybarikova of Slovakia 7-6 (7-4), 6-4. Former Open champion Marat Safin of Russia lost to No. 15 Tommy Robredo of Spain 4-6, 7-6 (7-4), 6-4, 6-0.
American Andy Roddick, seeded eighth, lost the first set and was down 5-3 in the second before rallying to defeat Ernests Gulbis of Latvia 3-6, 7-5, 6-2, 7-5.