South Africa beat Australia by six wickets in the third and final one-day international at Senwes Park on Saturday. Brief scores: Australia 254-7 in 50 overs (M. Labuschagne 108, D. Short 36, M. Marsh 32; A. Nortje 2-35, J. Smuts 2-42). South Africa 258-4 in 45.3 overs (J. Smuts 84, K. Verreynne 50, H. Klaasen 68 not out; J. Hazlewood 2-37). Result: South Africa won by six wickets. Series: South Africa won the three-match series 3-0. Toss: South Africa.