Kolkata Knight Riders produced a clinical performance to beat Rajasthan Royals by a massive 86-run margin and take a huge step towards securing their play-off berth in the Indian Premier League here on Thursday.

With three play-off spots— Delhi Capitals, Chennai Super Kings and Royals Challengers Bangalore—already sealed, KKR consolidated their position for the fourth and final play-off spot, finishing their round-robin engagements with 14 points from 14 games with an impressive net run rate of 0.587.