Host New Zealand won by 44 runs (30 overs per - side due to rain, DLS target 245) against visitor Bangladesh in the first ODI at University Oval, Dunedin.
Kiwi opener Will Young has become the player of the match.
After winning the toss, Tigers captain Nazmul Hossain Shanto has elected to bowl first.
New Zealand scored 239 runs in 30 overs by losing 7 wickets.
Will Young smashed 105 runs off 84 balls while skipper Tom Latham scored 92 runs from 77 balls.
Pacer Shoriful Islam bagged 2 wickets and Mehidy Hasan Miraz got one wicket.
In the second innings, Bangladesh managed to score 200 runs in 30 overs losing 9 wickets.
Opener Anamul Haque scored 43 runs off 39 balls while Towhid Hridoy smashed 33 runs off 27 balls, Afif Hossain 38 runs from 28 balls and Mehidy Hasan Miraz scored 28 runs off 21 balls.
Adam Milne, Ish Sodhi and Josh Clarkson bagged 2 wickets each.
The second game of the three-match series will be played on Wednesday in Nelson.
Bd-pratidin English/Golam Rosul