England's Benn Barham went to the turn in a two under par 34 to maintain his lead at the Austrian Golf Open in Vienna.
After equalling the lowest round of his European Tour career with his opening 63, the 33 year old from Kent, only 175th on The Race to Dubai and needing to climb into the top 115 by the end of the season to keep his card, added further birdies on the 15th and 18th.
Barham stood ten under par, while into second place came Australian left-hander Richard Green, winner of the title two years ago.
Green, who had two eagles in the last four holes of his opening 65, birdied the 15th, 16th and 18th to move to nine under, two ahead of Scotland's Scott Drummond and Australian Brett Rumford.
The biggest move of the morning was from Welshman Bradley Dredge, returning to action two weeks after he was runner-up to Swede Alex Noren at the Omega European Masters in Switzerland.
Dredge had work to do just to survive the halfway cut following his first day 72, but after resuming with a bogey on the tenth he birdied two holes later and then reeled off six more in a row from the 14th.
That lifted The Ryder Cup hopeful to five under and into a tie for tenth spot after starting the day down in 75th.
He was alongside Dane Søren Hansen, the highest ranked player at the tournament.