Quinton de Kock returned to South Africa's XI as they elected to field.

Anrich Nortje struck early to castle Kusal Perera.

Tabraiz Shamsi was the star for South Africa through the middle-overs, claiming 3 for 17 from his four overs.

Pathum Nissanka soldiered on from one end to complete a steady 50 and then upped his gears thereafter to make 72 off 58. His knock took Sri Lanka to 142.

Dushmantha Chameera dismissed both South Africa openers in the PowerPlay.

Rassie van der Dussen was run-out by an accurate throw from Dasun Shanaka.

Temba Bavuma steadied South Africa's chase with a run-a-ball 46.

Aiden Markram's dismissal turned the game once more.

Wanindu Hasaranga dismissed Markram, Bavuma and Pretorius to become the third man to take a T20 World Cup hat-trick.

With 15 to get from the final over, David Miller hit two sixes to seal victory with a ball to spare.

Kagiso Rabada and David Miller helped chase down 25 from the final two overs to pull off South Africa's stunning win.