Sri Lanka skipper Charith Asalanka won the toss and elected to bat in the opening one-day international against New Zealand in Dambulla on Wednesday.
All-rounder Nathan Smith, top-order batsman Tim Robinson and wicketkeeper Mitchell Hay will all make their ODI debuts for the visitors.
The trio played in the two-match T20 series between the sides which ended drawn at 1-1 on Sunday.
Dambulla is hosting its first ODI in six years.
The teams will move to Pallekele for the next two games of the three-match series.
Sri Lanka: Charith Asalanka (capt), Avishka Fernando, Pathum Nissanka, Kusal Mendis, Kamindu Mendis, Janith Liyanage, Sadeera Samarawickrama, Maheesh Theekshana, Jeffrey Vandersay, Asitha Fernando, Dilshan Madushanka.
New Zealand: Mitchell Santner (capt), Tim Robinson, Michael Bracewell, Mark Chapman, Jacob Duffy, Mitchell Hay, Henry Nicholls, Glenn Phillips, Nathan Smith, Ish Sodhi, Will Young.
Umpires: Rod Tucker (AUS) and Raveendra Wimalasiri (SRI)
Television Umpire: Langton Rusere (ZIM)
Match Referee: Graeme Labrooy (SRI)
