Annika Sorenstam remained in first, followed by the 16-year-old. Paula Creamer dropped one to third, then Yuri Fudoh and Cristie Kerr, who both held their spots from last week.
The second half of the top 10 stayed pat this week. Ai Miyazato, Lorena Ochoa, Jeong Jang, Hee-Won Han and Juli Inkster rounded out the top 10.
Grace Park kept her 11th spot from last week, while Sakura Yokomine and Karrie Webb switched places with Yokomine in 12th and Webb at No. 13. Natalie Gulbis, who tied for fourth in Hawaii, climbed four rungs to 14th. Meena Lee, who prevailed at the Fields Open in Hawaii, flew up 34 pegs to No. 15.
Shiho Ohyama dipped two spots to 16th, followed by Kasumi Fujii, who remained in 17th. Rosie Jones also sank two to No. 18, while Pat Hurst plummeted four to 19. Catriona Matthew dropped one place to No. 20.