Robert O'Brien scored 103 and Ethan Marshall made 98 as Leinster beat the North West by 201 runs in the first of their two Under 13 interpros this week.
O'Brien - nephew of Niall and Kevin - century helped Leinster to a total of 295 for 5 in their 40 overs, with Lorcan Craik also making 35.
For the visitors, there were two wickets each for Swarin Jha and Sam McClintock.
The North West were bundled out for just 94, with Ben Campbell making 23.
Daniel Sugrue picked up four wickets for four runs, while there were two apiece for Luke Murray and Ethan Marshall.
The teams meet in the second match of the series on Wednesday at Burndennett.
U13 Boys Interpro
At Ringcommins, Leinster beat North West by 201 runs
Leinster 295-5 (40 overs; Robert O’Brien 103*, Ethan Marshall 98, Lorcan Craik 35, Swarin Jha 2-35, Sam McClintock 2-45)
NW 94 all out (23.1 overs; Ben Campbell 23; Daniel Sugrue 4-4, Luke Murray 2-10, Ethan Marshall 2-11)