Tim Seifert was the first to fall after a 49-run stand with Guptill.

Guptill survived twice, but was unlucky a third time, getting a faint nick trying to flick one going down leg as NZ lost both their openers in quick succession.

Glenn Phillips came out all guns blazing to go after West Indies's bowlers as New Zealand raced away to 100 in just 11 overs.

Rain delayed the toss, and even halted play briefly, but nothing could distract Phillips today who continued on either side of the break just as well.

Phillips reached a maiden T20I ton - the fastest by any New Zealander off just 46 balls.

Conway reached his maiden T20I fifty, sharing a mammoth 184-run stand with Phillips as New Zealand put up a total of 238 in 20 overs.

Kyla Jamieson picked his maiden T20I wicket after getting an inswinger to knock off Brandon Kings's stumps for a golden duck as NZ struck early.

New Zealand kept chipping away with the wickets, bowling brilliant lengths as West Indies' batsmen fumbled.

New Zealand bagged the series with a 72-run win, taking an unassailable 2-0 lead in the three-match series.