Stacy Lewis made a birdie on the final hole of her third round to share the lead with Inbee Park after 54 holes at the Evian Masters.
Lewis shot 1-over 73 to drop a shot against par, falling into a first-place tie at 11 under par.
The American experienced an up-and-down ride for the final 10 holes of the round. She made par-5 birdies at the ninth and 18th to bookend the stretch, as well as another birdie at the 11th. However, Lewis also made two bogeys and a double-bogey 7 at the 15th.
Park, the 2009 U.S. Women's Open champion, who carded 70, including a birdie at the final hole.
Natalie Gulbis, whose lone LPGA win came at this event in 2007, is a shot back at 10 under. Gulbis is tied for third with Karrie Webb and amateur Hyo Joo Kim. Kim is aiming to become the first amateur LPGA winner since JoAnne Carner in 1969.
Cristie Kerr is alone in sixth at 9 under par.