Deandra Dottin and Chedean Nation's unbroken third wicket century stand guided the West Indies women to a convincing 71 runs victory in the first match in Karachi on Thursday.
Dottin was unbeaten on 90 off just 60 balls and Nation scored a quickfire 50 not out as the West Indies added 160 for two after choosing to bat first. In turn, fast bowler Shamilia Connell ran through the Pakistan top-order with figures of three for 29 as the home side was bowled out for 89 in 18 overs.
Dottin clubbed eight fours and four sixes, while Nation belted four fours and two sixes to lift the West Indies from 51 for two to 160 for two.
The power-hitting abilities of West Indies women were on show when they collected 62 runs in the last five overs, including 44 runs in the last three overs.
In reply, Connell broke the back of Pakistan top-order by accounting for Sidra Ameen (2), Javeria Khan (19) and Omaima Sohail (3) as the home side collapsed from 32 for one to 89 all out in 19 overs.
While Connell finished with the figures of 4-0-29-3, Shekera Selman and Anisa Mohammed shared two wickets each between them, conceding just 25 runs together.
Only skipper Bismah Maroof gave some respectability to the Pakistan score when she scored almost a run-a-ball 38. Javeria Khan scored 19 runs.
The second match will be played at the same venue on Friday,