Ariya Jutanugarn shot a 9-under-par 63 in the final round to win the Honda LPGA Thailand by one stroke on Sunday.
Defending champion Steve Stricker made a long eagle putt on the final hole for a 65 and the third-round lead in the Regions Tradition.
Patty Tavatanakit struggled on the front nine but will take a one-shot lead over fellow Thai Atthaya Thitikul and German Caroline Masson into final round.
Patty Tavatanakit finished with an eagle to take a three-stroke lead over Atthaya Thitikul at the halfway stage of the LPGA Thailand on Friday.
Defending champion Steve Stricker birdied the final hole Friday for a 3-under 69 to move into a four-way tie for the lead halfway through the Regions Tradition.
Phil Mickelson has gone nine months since he finished among the top 20, and it looks as though that streak is about to end at the Wells Fargo Championship.
Darren Clarke took the lead Thursday in the Regions Tradition, opening with a 6-under 66 in the first of five PGA Tour Champions majors.
Local stars Patty Tavatanakit and Atthaya Thitikul carded 8-under 64s to share a stroke lead after the first round of the LPGA Thailand.
Amy Bockerstette is set to become the first with Down syndrome to compete in a national collegiate athletic champ.
Former Masters champion Mike Weir won his first PGA Tour Champions event Sunday at the Insperity Invitational in Texas.