American Angel Yin holds a two-shot lead after firing a three-under-par 69 in her second spherical of the CME Group Tour Championship in Florida.
After a formidable spherical of 65 on Thursday, Yin constructed additional momentum to nudge South Korea’s An Na-rin into second.
The winner of the LPGA’s season-ending occasion on the Tiburon Golf Membership will take dwelling $4m (£3.2m) in prize cash.
An struggled to search out her rhythm with two bogeys and two birdies leaving her to signal for a par spherical of 72.
South Korea’s Choi Hye-jin is tied with An on eight-under after a second successive spherical of 68.
A gaggle of 5, together with American Nelly Korda, sit two photographs additional again on six beneath.
Korda, who got here from behind to win The Annika last week, put in a vastly improved displaying, having fun with a six-under-par spherical to rapidly transfer on from a gap spherical par rating.
England’s Charley Hull additionally went spherical in a six-under-par 66 however Thursday’s one-over-par 73 leaves her with work to do over the ultimate two days.