Thompson takes 1-shot LPGA lead

had a 15-inch putt on 17 in the third round when she stooped to mark the ball and quickly replaced it about an inch away. A television viewer contacted the LPGA Tour the next day, and officials determined it was a violation.

Thompson was assessed a two-shot penalty for where she replaced the ball, and because it happened the day before, she received a two-shot penalty for signing an incorrect scorecard. She went from a three-shot lead to one shot behind and eventually lost to So Yeon Ryu in the playoff. Henderson birdied Nos. 12 and 13 and closed with five pars.

“I made that long one from off the green on 12 that wasn't really expected and that kind of gave me some energy,” the 19-year-old Canadian said.

Pace had two eagles and five birdies.

“My irons were really good,” the South African player said. “Obviously, all the par 3s, that helps. I was looking at birdie almost every hole, which is quite nice. I was never really in trouble except on 10. I missed the drive left, but that was really the only thing. There were a couple of long putts I made; unexpected putts actually.”

Shin made a long putt on No. 14 for her fifth straight birdie. But on 17, she pushed her approach shot and wound up on the bottom of the green, and took her only bogey of the round.

Hyo Joo Kim (65) was 12 under, and Lydia Ko (64), Michelle Wie (64), Moriya Jutanugarn (67) and Carlota Ciganda (68) followed at 11 under. Ko dropped to No. 2 in the world Monday after an 85-week run at the top. The top-ranked Ariya Jutanugarn, Moriya Jutanugarn’s younger sister, was 9 under after a 64.