The Sevens Boks Commonwealth dream is over.
Host nation Australia, boosted by stars Chris Latham, Loti Tuqiri, Matt Giteau and Scott Fava, beat the Boks 20-14 in the quarter-finals and will now play New Zealand in the first semi-final.
The Aussies, scoring four tries to two, lead 10-7 at halftime.
The defending champions New Zealand beat Canada 24-0.
England and Fiji play in the other semi-final after England snatched a last minute win against Samoa. The latter lead 14-12 with just second remaining, but England international Matthew Tait scored his third try of the match to give the pre-games favourites a 17-14 win.
Fiji, after initially struggling to subdue Wales, won 26-7.
There was small consolation for the Boks, who held off a Canadian fight back to win through to the Plate final 17-14.
In the Plate final South Africa lost to Wales 29-28.