After being sent in to bat at the Brian Lara Cricket Academy venue in Trinidad, Pakistan posted a total of 171-7 in 37 overs after rain and a wet outfield delayed the start of the contest.
Hasan Nawaz, batting at number seven, top-scored with 36 while Hussain Talat struck 31. Openers Saim Ayub and Abdullah Shafique both got in but did not kick on as the pair scored 23 and 26, respectively.
The Windies bowlers put in a disciplined effort in the bowling and fielding departments with seamer Jayden Seales returning figures of 3-23 from his seven overs.
The Caribbean outfit then hit a wobble in the run-chase as they slipped to 48-3 in the 13th over but skipper Shai Hope led the recovery with a fighting 32.
Sherfane Rutherford then smashed 45 off 33 balls before Roston Chase, 49 not out, and Justin Greaves, 26 not out, made sure the West Indies got over the line.
Shaheen Shah Afridi took four wickets before Hasan Nawaz and Hussain Talat shared in a match-winning partnership to guide Pakistan to a five-wicket victory in the first of three ODIs against West Indies.
Pakistan clinched the T20I series against West Indies after a 13-run victory in the third and final game of the series in Lauderhill, Florida.
Jason Holder delivered a match-winning performance with both bat and ball as West Indies edged Pakistan in a thrilling two-wicket win on Saturday, levelling the three-match T20I series in Lauderhill, Florida.
Pakistan and West Indies are set to clash in a three-match T20I series at Central Broward Park & Broward County Stadium, marking the eighth bilateral T20I series between the two sides.
