Lee's win was her second this season and fourth overall on the tour. The 22-year-old Lee finished at 15-under-par 201 at the Pinnacle Country Club.

Jane Park fired a 10-under 62 to join Meena Lee, who shot 70, in second place at 14-under 202.

"I feel great," Seon Hwa Lee said. "This is my second win this year. It was a really tough day."

Karen Stupples (66), Ai Miyazato (68), Angela Park (70) and Kristy McPherson (70) shared fourth place.

The winner collected $255,000.