John Anderson's 61 from 36 balls helped Leinster Lightning earn a 53-run win over the Northern Knights in the T20 Inter-Provincial game at Sydney Parade.
The Merrion all-rounder's innings, which included four sixes and five fours, helped Leinster post 168-6.
In reply, the Knights could only manage 115-8 with Greg Thompson their top-scorer on 34.
Ireland seamers Max Sorensen and Alex Cusack both produced tidy figures of 2-16 from their bowling spells.
Anderson dominated a second-wicket stand of 69 in 48 deliveries with Kenny Carroll (26) after skipper John Mooney (1) fell early, caught down the leg side by Chris Dougherty off the impressive Neil Gill (2-18).
Sorensen (36) and Andrew Poynter (35) both played breezy cameos, as Leinster kept the pressure on the Knights attack.
Nigel Jones (3) and Lee Nelson (0) fell early as the Knights reply got off to a bad start with Tyrone Kane dismissing Jones.
Chris Dougherty (17) and skipper Andrew White (13) tried to get the innings back on track, but both fell in quick succession to Sorensen.
Thompson raised the tempo with a highly entertaining 34 from 19 balls (2 fours, 2 sixes) before being trapped Mooney as the Knights reply lost momentum.
The Northern Knights are back in action on Sunday when they take on the NW Warriors at Coleraine in a 50-over contest (10:45 BST).