Riding on centuries by De Kock and De Villiers, SA posted a mammoth 339/5 and then restricted the hosts to 257 to claim the series at Hambantota.
For ball-by-ball commentary scroll down to the bottom of the page.
Toss and team news: South have won the toss and opted to bat. Both teams have one change as Sri Lanka replace Nuwan Kulasekara with Rangana Herath, while South Africa bring in Wayne Parnell in place of Vernon Philander.
In the three match ODI series, both teams have won one match each and that leaves the third one-dayer being the decider one.
Sri Lanka: Kushal Janith Perera, Tillakaratne Dilshan, Kumar Sangakkara(w), Lahiru Thirimanne, Mahela Jayawardene, Angelo Mathews(c), Ashan Priyanjan, Sachithra Senanayake, Lasith Malinga, Ajantha Mendis, Rangana Herath
South Africa: Hashim Amla, Quinton de Kock(w), Jacques Kallis, AB de Villiers(c), Jean-Paul Duminy, David Miller, Ryan McLaren, Wayne Parnell, Dale Steyn, Morne Morkel, Imran Tahir