The Blitzboks join England, Fiji and New Zealand as unbeaten sides heading into the last eight after a first day full of top quality rugby under the Dubai sun.
Neil Powell's South Africa are on track to defend their title in Dubai and will face Samoa in the Cup quarter-finals. Fiji, 2015 winners in Dubai, will face Scotland while New Zealand play Kenya. England, series runners-up in 2016-17 face off against Australia.
