Patty Tavatanakit, the 21-year-old former UCLA player from Thailand, closed with a birdie on the par-5 18th for a bogey-free 66 and a one shot lead after the first roundf of the LPGA's first major of the season, ANA Inspiration, being played at the Mission Hills Country Club, in Rancho Mirage, California on Thursday. China's Shanshan Feng, playing in her first tournament since 2019, carded a bogey-free 67 to lie joint second. Thailand's Jutanugarn sisters, Ariya and Moriya, are a shot further back at 68 and tied for fourth. Playing for the second straight week after a 21-month break, Michelle Wie West shot a 2-under 70. Wie West first played the event in 2003, tying for ninth at age 13. Top-ranked Jin Young Ko, the 2019 winner who was unable to play the event last year, was at 69 with defending champion Mirim Lee, Jessica Korda, Charley Hull, Jennifer Kupcho, Bronte Law, Georgia Hall and Yuka Saso. Past champions Lexi Thompson, Inbee Park and Lydia Ko joined Wie West in the large group at 70. Park won the Kia Classic on Sunday in her first start of the year.