Rebecca Artis remains two shots clear of the rest of the field after the second round of the Deutsche Bank Ladies Swiss Open in Ticino.
The Australian had carded a career-low round of 64 and followed that up with a 71, mixing five birdies with four bogeys.
Three players are two shots off the lead, including defending champion Diana Luna.
The Italian sank birdies on the seventh, ninth and 18th, with a bogey on the fourth, to go round in 70 and take her overall score to seven under.
Also on seven under are Luna's compatriot Veronica Zorzi and England's Florentyna Parker.
Zorzi followed an opening round of 69 with a score of 68, while a double-bogey on the par-fourth ninth restricted Parker to a round of 71.
"I played really well the first six, seven holes and had a lot of chances and made them and then the front nine, I missed all my birdie putts, had a few opportunities and doubled the ninth, which was a shame," Parker told www.ladieseuropeantour.com.
"I still played really well the last two days and I've got a good chance and I'm looking forward to the weekend."
Stacy Lee Bregman of South Africa, Denmark's Malene Jorgensen and Frenchwoman Barbara Genuini are tied for fifth on six under, one shot ahead of a group of seven players which includes England's Hannah Burke and Ireland's Rebecca Codd.
