Caroline Masson, a 23-year-old European tour veteran from Germany, went to 10 under for the tournament before backpedaling and finishing with an even-par 71 and a 7-under-par 135 total after the second round of the North Texas LPGA Shootout at Las Colinas Country Club in Irving.
Masson at one point had a four-stroke lead on Spain's Carlota Ciganda but ended Friday with only a one-stroke lead. Ciganda posted a 1-under 70 early Friday and was at 6 under for the tournament.
Masson opened with a 64 on Thursday and Ciganda had a 66.
Fort Worth resident Angela Stanford started her day on the back nine with two quick birdies to go to 4 under for the tournament, went to 5 under with a birdie on No. 4, her 13th hole of the day, but a late bogey had her back to 4 under.
World No. 1 Inbee Park of South Korea finished at 1-under 70 and was tied for third at 5-under 137.
Moriya Jutangarn of Thailand posted the low round of 5-under 66 and was in fourth place at 5 under for the tournament, two strokes behind Masson.
San Antonio Johnson sophomore Taylor Coleman, who opened with a 68 on Thursday, came back with a 6-over 77 on Friday, but was above the projected cut line with a 3-over 145 total.
-- Vince Langford