Brendon McCullum got the match off to a sensational start with a tremendous catch off the first ball of the match, getting rid of Kusal Perera.
Kumar Sangakkara was the lone spark for Sri Lanka, scoring his 75th ODI half-century, as Sri Lanka were bundled out for 138 in 37.5 overs.
Thisara Perera (15) was one among three Lankan batsmen who posted scores in double digits - Sangakkara (68) and Dilshan (20).
Mitchell McClenaghan was the pick of the bowlers for New Zealand - picking 4/43 - his best bowling figures against Sri Lanka.
Kyle Mills and Nathan McCullum were impressive with the ball for New Zealand, finishing with figgures of 2/14 and 2/23 respectively.
Lasith Malinga took 4/34 in a hostile spell before the last-wicket pair of Tim Southee and Mitchell McClenaghan saw them through in the 37th over.
The two McCullum brothers, Nathan and Brendon, put on 35 runs for the 7th wicket in the chase, as New Zealand inched over the line.
|1||england cricket team||3||2||1||4|
|2||sri lanka cricket team||3||2||1||4|
|3||new zealand cricket team||3||1||1||3|
|4||australia cricket team||3||0||2||1|
Jun 23 2013,15:00 (IST)
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Jun 16 2013,15:00 (IST)