Rhys McClenaghan took home a silver medal on the pommel horse at the Apparatus World Cup in Paris.
McClenaghan finished behind England's Max Whitlock, who was competing in his first international event since winning gold at the Tokyo Olympics.
Whitlock took gold with a score of 15.450, with McClengahan scoring 15.100.
McClenaghan's Irish team-mate Adam Steele was fifth with a score of 13.900.
The World Championships take place in Antwerp from 30 September to 8 October, where McClenaghan will be looking to add to the world crown he won in Liverpool last year.
Live coverage of the event on RTÉ television and RTÉ Player.
