South Africa will play USA in the first semi-final of the Sydney 7s after they topped their respective pools.
South Africa beat Argentina 52-14, beat France 24-17 and they thrashed Samoa 36-0.
USA on the other hand beat Scotland 32-14, thrashed Japan 45-7 while they beat host Australia 43-7.
They will play at 5.20pm.
The final will start at 9.56pm.
