T20 Worldcup's answer to What is the highest individual score in T20 World Cup history, and who holds this record? - Quora
T20 Worldcup's answer: The highest individual score in T20 World Cup history is held by Brendon McCullum, the former New Zealand captain. McCullum achieved this remarkable feat during the inaugural T20 World Cup in 2007. * Brendon McCullum
