The Reds keeper is on loan at Burton Albion, after enjoying an excellent campaign with Macclesfield Town in 2018/19, and has been recognised for his growing maturity between the posts.
Ireland coach Mick McCarthy brought him on for Bournemouth's Mark Travers, another of the five debutants in total, in the 76th minute, and he kept a clean sheet during his time on the pitch.
Alan Brown, Kevin Long and James Collins scored for the home side in Dublin, with Ivelin Popov replying from the penalty spot during the friendly international.
Although born in Trafford, O'Hara has always been proud to represent Ireland and spoke to us a couple of years ago about playing for the Under-21s.