The former Proteas captain struck 84 off 56 balls against the Punjab Kings, including five fours and five sixes, and was involved in a 137-run opening partnership with Virat Kohli (59 off 47).
Bangalore ended up posting 174-4 in their 20 overs and went on to win by 24 runs.
REPORT: Du Plessis, Siraj help Bangalore down Punjab
Du Plessis is the leading run-scorer in this year’s IPL, with 343 in six matches, at an average of 68.60 and a strike rate of 166.50. He has hit four half-centuries.