A brace from captain Siviwe Soyizwapi saw the Springboks Sevens secure a 29-5 victory over Australia to reach the Duabi Sevens semi-final.
The Blitzboks were efficient in their dealing, attacking well and making light weight of their Australian counterparts.
They will now face Argentina in their semi-final.
The Blitzboks had cruised past their group stages, beating Ireland, Japan and Great Britain to reach Saturday's quarter-final.
?? Debutant Tiaan Pretorius scored his first try for the Blitzboks as they progressed to the @Dubai7s semi-finals with a 29-5 win over Australia, Soyizwapi scoring twice (again). Up next, Argentina! #BestofUs #HSBC @WorldRugby7s @ASICS_ZA @FNBSA pic.twitter.com/qEIZJGUXdN— Springbok Sevens (@Blitzboks) November 27, 2021
Tries: JC Pretorius, Siviwe Soyizwapi (2), Selvyn Davids, Tiaan Pretorius
Conversions: Ronald Brown, Branco du Preez