In the fourth and final T-20 at Centurion on Friday, Pakistan defeated South Africa by three wickets.
Batting first, South Africa scored 144 for all out in 19.3 overs.
Pakistan reached the victory target in 19.5 overs.
Fakhar Zaman scored 60 runs on 34 balls. Faheem Ashraf was declared main of the match while Babar Azam player of the series.
Pakistan won the series by 3-1.