Niall Turner carded a brilliant third round 67 to keep his PGA Tour dream alive in Texas.
The Muskerry player moved up from 42nd to tied 19th in the delayed second stage PGA Tour School Qualifier at TPC Craig Ranch near Dallas.
The 2007 Irish Close finalist hit a brilliant four under par effort on Saturday to move just inside the top 21 and ties who will progress to next month's Q-School finals in West Palm Beach, Florida.
The fourth round was due to be completed on Saturday evening, Irish time.
Meanwhile, Ballymena's Chris Devlin was tied 39th entering Saturday's final round at Hombre Golf Club in Florida, where the top 20 and ties progress.