Johnson Charles blazed his way to 69 runs off 26 balls chasing the South African total of 163/7. The opener, alongside Captain Brandon King (44 off 28) put on 92 in the opening partnership setting a solid platform for Kyle Mayers (36 off 23) to smash the remaining runs in emphatic style.
The performance sealed a clean sweep of the series, a first for the West Indies vs South Africa in T20Is.
Gudakesh Motie continued his fine form with the ball taking 2/21 while the newest edition to the squad Obed McCoy in for the injured Jason Holder took an impressive 3/39 showing his full range of devastating deliveries.