By
Brief scores:
South Africa 251 in 45.1 overs (Q. de Kock 94, F. du Plessis 57) v Sri Lanka 138 in 32.2 overs (O. Fernando 31; K. Rabada 3-43).
Result: South Africa won by 113 runs
Series: South Africa lead the five-match series 2-0
Toss: Sri Lanka
Remaining matches
March 10, Durban
March 13, Port Elizabeth
March 16, Cape Town