Openers Quinton de Kock and Reeza Hendricks have scored unbeaten half-centuries to lead South Africa to a 3-0 Twenty20 series sweep over Sri Lanka with a 10-wicket win in the third and final match.
Sri Lanka scored 8-120 in 20 overs after winning the toss and batting first.
Opener Kusal Perera top scored for the hosts with 39 while Chamika Karunaratne's unbeaten 24 at No.9 gave Sri Lanka a modest total.
Spinner Bjorn Fortuin took 2-21 for the Proteas while paceman Kagiso Rabada chimed in with 2-23.
South Africa were in complete control in their chase, denying Sri Lanka any chance of a breakthrough by reaching the target with 32 deliveries to spare.
De Kock completed his second consecutive unbeaten half-century, his 59 including seven boundaries off 46 deliveries.
That followed his 58 not out in the second match which South Africa won by nine wickets on Sunday.
De Kock was named player of the match and the series.
Hendricks hit a six and five boundaries for his 42-ball 56.