Testing opening day for Seamus Power at Open Championship
The world number 37 finished on one-over-par 73 following a testing first day at St Andrews.
Power carded four birdies, three bogeys and one double bogey on hole 12 in an up and down morning at the Scottish links course.
Some of the early tournament frontrunners include American Cameron Young, Australian Cameron Smith and fellow Irishman Rory McIlroy.
Power will tee off at 1.04pm in Friday's second round.