Overnight leader Miguel Angel Jimenez fell five strokes off the pace set by Marc Warren and Nicolai von Dellingshausen in Atzenbrugg.
While Jordan Spieth is set to miss the cut, Collin Morikawa pulled clear at the Workday Charity Open.
Miguel Angel Jimenez leads the Austrian Open by two strokes heading into the third round.
The Ryder Cup has been switched to 2021, a move Patrick Reed agrees with as he wants a full crowd present at Whistling Straits.
As Jordan Spieth battled, Collin Morikawa made a strong start to the Workday Charity Open.
Joost Luiten carded an opening-round 65 as the European Tour restarted at the Austrian Open.
Tiger Woods will play a PGA Tour event for the first time since February, having entered next week's Memorial Tournament.
The Ryder Cup at Whistling Straits was postponed by 12 months on Wednesday, but a further delay has been ruled out.
The 2020 Ryder Cup has been pushed back by 12 months due to the coronavirus pandemic, a decision Jon Rahm supports.
Whistling Straits was set to host the Ryder Cup in September this year, but the tournament has been moved back to 2021.