Niall Kearney has completed a 7 under par opening round at the BMW International Open in Munich.
He is just a shot behind current joint leaders Sam Horsfield and Sebastian Garcia Rodriguez.
Jonathan Caldwell is 2 under, Padraig Harrington is level par and Paul Dunne is 1 over.
In the USA, Seamus Power shot a 4 under par round of 66 to lie in a tie for 9th at the Travelers Championship going into day two.
The lead is shared on 7 under by Kramer Hickok and Satoshi Kodaira.
Leona Maguire took a level par opening round at the Women's PGA Championship in Atlanta.
She is 5 shots behind leader Lizette Salas.