South Africa crushed Sri Lanka by 45 runs in the third and final Twenty20 International in Johannesburg to complete a series whitewash.
The result of the rain-affected match was decided on the Duckworth/Lewis/Stern method.
Sri Lanka were bowled out for 137 as they chased a reduced target of 183 in 17 overs following the rain delay at the Wanderers Stadium.
Andile Phehlukwayo claimed career-best figures of 4-24 in three overs, while man-of-the-match Dwaine Pretorius smashed an unbeaten 77 (42 balls) in South Africa's total of 198-2.
It completed a 3-0 series sweep for South Africa, who also won a one-day series 5-0.

Dubai golfing community mourns death of Emanuele Galeppini after Swiss fire
BCCI instructs Kolkata Knight Riders to release Bangladesh's Mustafizur
MI Emirates book ILT20 final spot with win over Abu Dhabi Knight Riders
Dubai welcomes elite endurance riders for prestigious festival
Venus Williams, 45, receives wildcard entry for Australian Open