Grégory Havret holds the halfway lead in the Johnnie Walker Championship after leapfrogging Robert Rock during the closing holes of his second round.
Havret - the overnight leader after an opening 68 - compiled a 71 to move to seven under par for the tournament at Gleneagles.
The Frenchman bogeyed the par four opener but atoned for his error at the next with a four on the par five second.
Two more bogeys were followed by three birdies before Havret found trouble at 15, eventually posting a double bogey six.
But at the par five next he replied with an eagle to pull level with Rock. And a birdie at the last confirmed Havret would head the field going into the weekend.
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