The Blitzboks have yet to be tested at the Commonwealth Games after thrashing Papua New Guinea 52-0 in their second group match on Australia's Gold Coast on Saturday.
Olympic champions Australia survived a scare against Fiji to top Pool A and set up a semi-final with Canada at the Gold Coast 2018 Commonwealth Games, while New Zealand will face England in the other encounter on Sunday.
Another turn of pace from Celestine Masinde doubled Kenya's lead to 14-0 at the break, before South Africa came roaring back with tries from Mathrin Simmers and Zenay Jordaan.
The women's Final played first, New Zealand going out to a 12-0 halftime lead before Australia clawed back in the second half to take the match to extra time.
It is the first time the women's sevens has featured at the Games, writing New Zealand into the history books claiming both titles in 2018.
England's men's and women's teams both secured their place in the semi-finals of the Commonwealth Games rugby sevens at Queensland's Robina Stadium.
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On the other hand, Tottenham needs to continue picking up points to ensure a Champions League finish for a third consecutive year. City go into this off the back of three consecutive defeats and appearing vulnerable for the first time under Guardiola.
With only the pool winners to progress to the knockout stages and remain in contention for a medal there was no room for complacency with every match a must-win encounter.
As it was 18-months ago, the two best Sevens sides in the world squared-off in the decider, with New Zealand scoring a long-range try in the first-half of extra-time for the win.
It was a one-sided men's final as New Zealand killed off the game with two early converted tries against a ragged Fijian defence.
The Canadian women's rugby sevens team will be playing for a bronze medal after a 33-7 loss to Australia.
The home side couldn't capitalise, with Blyde putting a try-saving tackle on Emma Tonegato just metres short of the line.
Australia were awarded a penalty after the siren, but Cassie Staples - apparently thinking her side was up following Green's try - kicked the ball into touch.