MEXICO CITY (AP) Austin Ernst shot her second straight 5-under 67 on Saturday to take the third-round lead in the Citibanamex Lorena Ochoa Invitational.
Ernst had her second straight bogey-free round at Club de Golf Mexico after opening with a 72. The 24-year-old American won the 2014 Portland Classic for her lone LPGA Tour title. She had a one-stroke lead at 10-under 206.
Second-round leader Sarah Jane Smith of Australia had a 72 to drop into a tie for second with Carola Ciganda (68), the Spanish player who won her first LPGA Tour title last month in South Korea.
Angela Stanford, the winner of the inaugural event in 2008 at Guadalajara Country Club, had a 69 to match Karine Icher (70) and Mi Jung Hur (71) at 8 under.
Mexican amateur Maria Fassi had a 65 to get to 6 under. She's a freshman at the University of Arkansas. Gaby Lopez also was 6 under after a 73 on her home course.
Canada's Brooke Henderson, the highest-ranked player in the field at No. 7, was 4 under after a 68.
Michelle Wie was tied for 20th at 1 under after a 74. The 2009 winner in Guadalajara, she's playing on a sponsor invite after failing to qualify for the 30-player event.