Sri Lanka won the toss and elected to bat first in the third and final T20 against South Africa at R.Premadasa Stadium in Colombo on Tuesday.
South Africa have made the one change with all-rounder Wiaan Mulder coming in for fast bowler Anrich Nortje.
Meanwhile, the hosts have made three changes with Avishka Fernando, Kamindu Mendis and Lahiru Madhushanka in the starting XI.
The Proteas have an unassailable 2-0 lead in the series following their nine-wicket win against Sri Lanka in the second ODI on Sunday.
Play starts at 15:30 SA time.
Earlier on Tuesday, Sri Lankan great Lasith Malinga announced his retirement from all forms of cricket.
Kusal Perera, Avishka Fernando, Bhanuka Rajapaksa, Dhananjaya de Silva, Kamindu Mendis, Dasun Shanaka (captain), Wanindu Hasaranga, Chamika Karunaratne, Lahiru Madushanka, Dushmantha Chameera, Maheesh Theekshana
Reeza Hendricks, Quinton de Kock, Aiden Markram, Heinrich Klaasen, Rassie van der Dussen, Dwaine Pretorius, Keshav Maharaj (captain), Kagiso Rabada, Bjorn Fortuin, Wiaan Mulder, Tabraiz Shamsi