Scotland`s Kylie Walker fired a third straight round of eight-under-par 64 in the Ladies German Open presented by Marriott at Golfclub Wörthsee for a three-round total of 259, 24-under-par: a new Ladies European Tour 54-hole record.

The 27-year-old Glaswegian fired 10 birdies and two bogeys in baking hot temperatures of 31C to lower by one stroke the previous record set by Gwladys Nocera at the 2008 Goteborg Masters.

Walker’s shot of the day came on the par-4 14th when, having had to take a penalty drop behind a tree, she holed a 9-iron shot from 132 yards for the first of four straight birdies. “On 14, that was a real stroke of luck really,” said the recent Deloitte Ladies Open champion. “I had three-putted 13 for bogey and then tugged my tee shot on 14 and it had hit a tree, but from the tee we couldn’t see what had happened. I got up there and the ball was still in the tree about two feet off the ground. So I took two club length’s penalty drop and I didn’t have a line at all. I hit a 9-iron over bushes and a tree and then ran out to see where it went and it managed to go in, so it was crazy. I had to calm myself down after that.”

Walker goes into the final round with a six stroke lead ahead of China’s Yu Yang Zhang and England’s Charley Hull. The French pair of Anne-Lise Caudal and Celine Herbin share fourth position at 16-under-par.

She added: “I feel really comfortable with my game and I’m really enjoying it. Today was really hot and I had to keep getting myself in the shade any chance I could get to stay cool and I think that helped because out in the sun it was roasting. Obviously I would love to win and going into tomorrow I’ve just got to try and do the same again and keep playing the way I’m playing. I’m putting nicely so I’ve just got to get as many birdies as I can.”

The best of the Australians is Nikki Campbell. The Canberra golfer fired a six-under-par 66, which included everything on the front nine, two birdies, an eagle on the short par four 9th, a double bogey and a bogey to go out in one-under 35. Her back nine was flawless with five birdies, to come back in 31. Campbell is tied for 17th at 10-under-par.

Rebecca Artis (74) and Nikki Garrett (70) share 31st position at six-under-par. Alison Whitaker (72) and New Zealand’s Cathryn Bristow (72) are at two-under-par and are tied for 51st.