Co-hosts New Zealand smashed their way to 331 for six after being put into bat by Sri Lanka in the opening match of the ICC World Cup here Saturday.
Captain Brendon McCullum (65) and Martin Guptill (49) shared a 111-run stand for the opening wicket to get New Zealand rolling.
All-rounder Corey Anderson added the finishing touches as he smashed 75 off 46 to propel New Zealand to an imposing score.
Suranga Laknal and Jeevan Mendis were the pick of the bowlers taking two wickets each.