The Meath amateur is in a tie for sixth on level-par early on.
Alex Maguire is the first Irish golfer out on the opening day of the 151st Open Championship.
The Meath amateur is in a tie for sixth on level-par early on.
Home favourite Matthew Jordan is the early leader on two-under.
Seamus Power and Padraig Harrington are grouped together - along with Talor Gooch - and tee off at quarter-past-9.
Shane Lowry tees off after 10am.
Rory McIlroy is among the later starters - just before 3pm - in the company of Masters champion Jon Rahm and Justin Rose.