Suzann Pettersen shot a 4-under 68 on Friday at wind-swept Ko Olina to maintain a one-stroke lead after the third round of the LPGA Lotte Championship.
The 32-year-old Norwegian, a 10-time LPGA Tour winner ranked sixth in the world, had a 14-under 202 total.
South Korea's Hee Kyung Seo was second after a 66, matching the best round of the day. She made three straight birdies on the back nine for a share of the lead, but dropped back with a bogey on the par-4 18th.
Defending champion Ai Miyazato was third at 11 under after a 70.
Pettersen, a stroke ahead of Miyazato entering the round, birdied the first three holes and got to 14 under with a birdie on the par-4 seventh. The European Solheim Cup star bogeyed the par-3 eighth, and got the stroke back with a birdie on the par-5 14th.
She had consecutive LPGA Tour victories late last season in South Korea and Taiwan and won a Ladies European Tour event last month in China.
Seo, the 2010 Kia Classic winner who lost playoffs last year in the Australian Women's Open and Manulife Financial LPGA Classic in Canada, had an eagle, six birdies and two bogeys.
South Korea's Hyo Joo Kim, only 17, was 10 under after a 69. Second-ranked Stacy Lewis had a 69 to join Lizette Salas (67) and 17-year-old Ariya Jutanugarn (68) at 9 under.
Jessica Korda also had a 66 to finish at 8 under along with top-ranked Inbee Park (67) and Jodi Ewart Shadoff (68).
Lydia Ko, the 15-year-old New Zealand amateur who won the Canadian Open in August to become the youngest LPGA Tour winner, was 4 under after a 70. The South Korea-born Ko has two other pro victories, the New South Wales Open last year and New Zealand Women's Open this year, and won the U.S. Women's Amateur last season.
Third-ranked Yani Tseng, winless in more than year, had a 71 to get to 2 under.
Local favorite Michelle Wie was 1 under after a 69. She broke 70 for only the second time in 21 rounds this season.