Australia A's quicks dismantled South Africa A's batting lineup to allow the hosts to record a comfortable six-wicket win in Darwin on Thursday.
Ben Cutting (4-27) and Kane Richardson (3-13) made light work of the tourists, following a promosing 54-run stand from the opening South African pair.
Carnage followed, as South Africa A were dismissed for 160 in the final over.
In repsonse, Cameron White (68) and Callum Ferguson (35) helped the Aussie XI reach their target with just under five overs to spare.
India A and Australia A now share top spot having both won two of their first three matches of the tournament.
Australia return to Marrarra Oval on Saturday, where they face the National Performance Squad.
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