New Zealand had been put into put and had slipped to 58-3 earlier than the match-changing partnership between Mitchell and Phillips, who added 219 from 188 balls.
Mitchell, who made 84 within the first match of the collection and 131 within the second, hit 15 fours and three sixes for a career-high ODI rating.
His fourth-wicket partnership with Phillips got here to an finish when the latter was caught behind off Arshdeep Singh.
Mitchell was eliminated quickly after by Mohammed Siraj, however an unbeaten 28 from captain Michael Bracewell helped the Black Caps pose an imposing 337.
Kohli, who now solely performs the 50-over format having retired from Check and T20 worldwide cricket, hit 10 fours and three sixes in his 108-ball knock, but it surely was not sufficient.
These groups subsequent meet in a five-match T20 collection beginning on 21 January, earlier than the T20 World Cup will get below method on 7 February – co-hosted by India and Sri Lanka.
