Annika Sorenstam remained the No. 1 player in the world, followed by 16-year- old Michelle Wie, reigning Rookie of the Year Paula Creamer, Yuri Fudoh and Lorena Ochoa.
Cristie Kerr was sixth again, trailed by Ai Miyazato, Juli Inkster, Karrie Webb and Jeong Jang to round out the top 10.
Positions 11-15 remained the same -- Hee-Won Han, Natalie Gulbis, Jee Young Lee, Sakura Yokomine and Shiho Ohyama -- but change came in the rest of the top 20.
Kasumi Fujii moved up two places from last week and into the 16th position, dropping Meena Lee and Catriona Matthew down one spot apiece. Pat Hurst also jumped up one place to 19th, while Joo Mi Kim moved into the top 20, replacing Grace Park from a week ago.