Zimbabwe posted 112-5, with Modester Mupachikwa scoring 31 off 49 balls.
In reply, all-rounder Miané Smit made 31* from 32 balls for South Africa. But a run-out off the final ball resulted in a dramatic tie and forced the match into a Super Over.
In the subsequent six-ball shootout, Zimbabwe managed to claim two South African wickets, while conceding only two runs.
Zimbabwe then cliched the gold medal with a boundary off the second ball of their Super Over.
Zimbabwe (112-5) – Modester Muphachikwa 31; Nonsumiso Shangase 1-9, Ghandi Jafta 1-14, Jane Winster 1-20, Kayla Reyneke 1-21, Leah Jones 1-25.
South Africa (112-8) – Miane Smit 31*, Leah Jones 15, Karabo Meso 12, Faye Tunnicliffe 10.
Match tied
Super Over: South Africa (2-2), Zimbabwe (4-0)
