Meena Lee shot a season-best 64 that included a nine-hole stretch without a par and Caroline Masson had her second straight 67 to share the lead in the North Texas LPGA Shootout in Irving, Texas.
At 8-under 134, Lee and Masson were stroke ahead of Texan Stacy Lewis and Natalie Gulbis.
The 65 for Gulbis was her first sub-70 round this season, putting her in contention for her first victory in seven years. Lewis, the No. 3 player in the world, had a bogey-free 64 to match Lee for the best round of the day.
Christina Kim was 6 under after a 69.
First-round leader Suzann Pettersen had a 71 to drop 3 strokes back at 5 under.
Top-ranked Inbee Park, the defending champion, was 3 under after a 68.
Bernhard Langer birdied the final six holes for a share of the lead with Bart Bryant in the Champions Tour’s Insperity Invitational in the Woodlands, Texas.
Langer matched Bryant at 6-under 66 at The Woodlands Country Club. Langer won the 2007 event at Augusta Pines and successfully defended his title in 2008 at The Woodlands. The 56-year-old German player won the season-opening event in Hawaii for his 19th Champions Tour title and has 20 straight under-par rounds.
Defending champion Esteban Toledo was a stroke back. Last year, he became the first Mexican winner in Champions Tour history, beating Mike Goodes with a par on the third hole of a playoff.
Panuphol Pittayarat of Thailand birdied two of his last three holes to maintain a 1-stroke lead after the second round of the Championship at Laguna National in Singapore. Panuphol shot a 4-under 68 for a two-round total of 13-under 131, a stroke ahead of Scott Hend of Australia, David Lipsky of the United States, and Felipe Aguilar of Chile in a tie for second place.