Left-arm spin bowler Aaron Phangiso replaced fast bowler Kagiso Rabada in the only change from the South African team that won the first match of the three-match series by 20 runs in Centurion on Wednesday.
New Zealand made three changes. All-rounder George Worker earned his first one-day international cap in place of Jimmy Neesham, while Doug Bracewell and Ben Wheeler replaced Nathan McCullum and Mitchell McClenaghan.
Teams:
South Africa: AB de Villiers (captain), Hashim Amla, Morne van Wyk (wkt), Rilee Rossouw, David Miller, Farhaan Behardien, David Wiese, Vernon Philander, Dale Steyn, Aaron Phangiso, Imran Tahir.
New Zealand: Kane Williamson (captain), Martin Guptill, Tom Latham, George Worker, Grant Elliott, Colin Munro, Luke Ronchi (wkt), Doug Bracewell, Ben Wheeler, Adam Milne, Ish Sodhi.
Umpires: Shaun George (RSA), Ian Gould (ENG)
TV umpire: Johan Cloete (RSA)
Match referee: Roshan Mahanama (SRI)