RCB Set a target of 183, Kolkata chased it down with ease, winning by 7 wickets and 19 balls to spare
Sunil Narine (47 off 22) and Phil Salt (30 off 20) smashed 85 runs in the powerplay for KKR.
Back in form, Venkatesh Iyer scored a crucial 50 off 30 balls for KKR.
Virat Kohli remained unbeaten on a well-made 83 off 59 balls for RCB.
Cameron Green chipped in with 31 off 21 balls for RCB before falling to Andre Russell.
Harshit Rana and Andre Russell did well in KKR's bowling attack, restricting RCB in the death overs.