Brighton's teenage striker Evan Ferguson scored his first international goal as the Republic of Ireland beat Latvia 3-2 in a friendly at Aviva Stadium.
Callum O'Dowda gave the hosts the lead before Brighton's Ferguson pounced from close range to open his Ireland account midway through the first half.
Roberts Uldrikis pulled a goal back with a screamer and Arturs Zjuzins levelled in first-half injury time.
Substitute Chiedozie Ogbene struck a winner in the second half.
All eyes were on Ferguson, making his first senior start in an Irish jersey, after his goalscoring exploits in a breakthrough season Brighton.
The 18-year-old reacted quickest to Michael Obafemi's cutback to spark the loudest cheer of the night in Dublin on 17 minutes.
Ferguson became the Republic's youngest scorer since legendary striker Robbie Keane with his goal.