The hosts put on a dominant display in front of a passionate crowd, chasing down the target with four balls to spare to kick off their international summer on a high note.
Choosing to bowl first, the West Indian bowling attack restricted Sri Lanka to a modest 147 for 9 in their 20 overs.
Sri Lanka struggled to build momentum early on, losing wickets at regular intervals against a disciplined attack. Kamindu Mendis top-scored for the visitors with a resilient 51 off 39 balls, but he found little support from the rest of the batting order.
All-rounder Jason Holder was the pick of the bowlers for the West Indies, dismantling the Sri Lankan lineup with an exceptional spell of 3 wickets for just 18 runs.In reply, the West Indies chased the target methodically, finishing at 149 for 3 in 19.2 overs. Shai Hope anchored the innings flawlessly with a match-winning 65, anchoring partnerships that kept the required run rate well under control. Sri Lanka's bowlers tried to apply pressure in the middle overs, but the target proved too small to defend against a confident West Indian batting lineup.The two teams will remain in Kingston for the second T20 International, scheduled for Saturday, June 13.