Cristie Kerr, Paula Creamer and Angela Stanford posted third-round victories Saturday in matches where most of the favorites advanced.
However, Michelle Wie lost to Sophie Gustafson of Sweden. The No. 42 seed sank a 25-foot birdie putt on the 18th hole at Hamilton Farm Golf Club to defeat the ninth-seeded Wie 1-up.
Others winners included top-ranked Yani Tseng of Taiwan, top-seeded Na Yeon Choi of South Korea, Suzann Pettersen of Norway and Ai Miyazato of Japan.
The quarterfinal pairings Saturday will be Choi vs. Gustafson, Tseng vs. Pettersen, Stanford vs. Creamer and Kerr and Miyazato.