The highest individual score in any Twenty20 innings is 158 not out (from 73 deliveries) by Brendon McCullum (b. 27 September 1981, New Zealand) for the Kolkata Knight Riders against Bangalore Royal Challengers in Bangalore, India, on 18 April 2008.

The game was Kolkata Knight Riders’ opening game of the 2008 IPL (Indian Premier League) season. Brendon McCullum had been bought by the franchise for USD 700,000 the highest total paid for any New Zealand player.