As it happened: New Zealand v South Africa, lone T20I
The Proteas posted 185/6 in their alloted 20 overs after New Zealand won the toss and elected to bowl.
Opener Hashim Amla was the standout for the visitors, scoring 62 in 43 balls, while JP Duminy weighed in with a quick-fire 29 off 16 deliveries late in the innings.
In reply, the Black Caps were bundled out for 107 in 14.5 overs, handing South Africa victory by 78 runs.
Imran Tahir, the world's No 1-ranked T20 bowler, was once again the pick of the SA attack with figures of 3.5-0-24-5, while Andile Phehlukwayo also impressed with 3-19 in 3 overs.
The teams now move on to a five-match ODI series, starting on Sunday (03:00 SA time) in Hamilton.
Glenn Phillips, Kane Williamson (captain), Colin Munro, Tom Bruce, Corey Anderson, Colin de Grandhomme, Luke Ronchi (wicketkeeper), Mitchell Santner, Ben Wheeler, Tim Southee, Trent Boult
Hashim Amla, Quinton de Kock (wicketkeeper), AB de Villiers, Faf du Plessis (captain), JP Duminy, Farhaan Behardien, Chris Morris, Wayne Parnell, Andile Phehlukwayo, Dane Paterson, Imran Tahir
Umpires: Chris Brown (New Zealand) and Wayne Knights (New Zealand)
TV umpire: Shaun Haig(New Zealand)
Match referee: Javagal Srinath (India)