All 15 teams enter the competition at this stage. A random draw determines which teams face each other in each of the four rounds. No team can meet each other twice in the group stage. The top eight teams go into a seeded draw for the Quarter-Finals while the bottom four teams will enter a Relegation Playoff.
Liam McKenna 1-2, Pauric O'Reilly 1-2, Paul Smith 0-2, Ruairi Power 0-2, Jason Walsh 0-2, Oisin Carolan 0-2, Fergal O'Rourke 0-1 (0-1 '45), Sean Tierney 0-1, Ian Leddy 0-1, Jack McKenna 0-1
Referee: James Clarke Man of the Match: Jack McKenna (Laragh United)
Relegation play-offs
The bottom four teams in the league phase will play off against each other. The two winners will maintain their intermediate status for 2019, while the two losers will face off in a relegation final. The ultimate loser will be relegated to the 2020 Junior Championship.