In the Group 2 Super Eight match of the World Twenty20 at Colombo, Australia beat South Africa by eight wickets. S Africa had set a target of 147 runs for Australia. Put in to bat, the Proteas made 146 for Five in the stipulated twenty overs. Earlier, Australia won the toss and elected to bowl against South Africa.In another fixture of the Twenty20 World Cup this evening, India will meet arch rivals Pakistan at the same venue in Colombo at 7.30 P.M.