Lexi Thompson birdied the final three holes for a 7-under 65 and a share of the first-round lead Thursday with Eun-Hee Ji in the Mobile Bay LPGA Classic.
The 18-year-old Thompson, second last year behind Stacy Lewis, had eight birdies and a bogey on The Crossings course at the Robert Trent Jones Golf Trail's Magnolia Grove complex.
Ji had five birdies in a six-hole stretch on the front nine in her bogey-free round.
Jessica Korda was a stroke back, and Nicole Castrale, Mina Harigae, Dewi Claire Schreefel, Thidapa Suwanapura, Hee Young Park, Jennifer Johnson and Chella Choi shot 67.
Lewis opened with a 70.