Na Yeon Choi inched up to third in this week's world rankings.

Yani Tseng remained comfortably in first, followed by Suzann Pettersen and Choi. Cristie Kerr slipped one to fourth, while Paula Creamer once again completed the top five.

Sun Ju Ahn, Jiyai Shin, I.K. Kim, Ai Miyazato and Stacy Lewis rounded out the top 10. Brittany Lincicome, Amy Yang, Shanshan Feng and Chie Arimura held their places from last week, while Ji-Hee Lee climbed one to 15th.

Morgan Pressel dropped a spot to 16th and Michelle Wie, Karrie Webb, Angela Stanford and Sakura Yokomine rounded out the top 20.