The Proteas produced a clinical all-round performance to beat Zimbabwe by 48 runs and claim the T20I tri-series title in Windhoek on Sunday.
Lhuan-dre Pretorius smashed 94 before captain Bjorn Fortuin took four wickets as the Proteas cantered to a 43-run victory against Zimbabwe in the T20I tri-series in Windhoek.
The Proteas' injury concerns have deepened with Lutho Sipamla ruled out of the remainder of the T20I tri-series in Namibia.
Namibia produced another upset against the Proteas, defending 163 to secure an 18-run victory in the opening match of the T20I tri-series in Windhoek on Friday.
New Zealand produced a clinical performance to defeat Zimbabwe by 60 runs, recording the highest total of the tri-series and sealing their place in Saturday's final against the Proteas.
Proteas batting consultant Ashwell Prince has blamed the early wickets for their 21-run loss to New Zealand, in their second match of the T20i tri-series in Harare.