New Zealand captain Kyle Mills won the toss and sent Sri Lanka in to bat in the first one-day international in Hambantota on Sunday.
The Black Caps, who ended a tour of Bangladesh last week, will play three one-day internationals and two Twenty20 games on their brief visit to Sri Lanka.
New Zealand: Kyle Mills (capt), Tom Latham, Anton Devcich, Rob Nicol, Grant Elliott, Colin Munro, Luke Ronchi, Corey Anderson, Nathan McCullum, Adam Milne, Mitchell McClenaghan.
Sri Lanka: Angelo Mathews (capt), Tillakaratne Dilshan, Dimuth Karunaratne, Kumar Sangakkara, Mahela Jayawardene, Dinesh Chandimal, Lahiru Thirimanne, Nuwan Kulasekara, Lasith Malinga, Rangana Herath, Sachithra Senanayake.
Umpires: Bruce Oxenford (AUS) and Ruchira Palliyaguruge (SRI)
TV umpire: Ian Gould (ENG)
Match referee: Chris Broad (ENG)