New Delhi, Sept. 26 -- Former India captain Virat Kohli said the intensity levels vary across different formats and competitions, highlighting that T20 World Cups, IPL and ODI World Cups bring unique challenges for players.

Speaking to JioStar ahead of India's first ODI against West Indies on Sunday, Kohli said T20 cricket cannot be viewed as a single category, as bilateral series, franchise leagues and global tournaments demand different levels of intensity.

"It's different in different ways. T20 cricket can be broken down into three parts. T20 cricket in bilateral series, at least during the time that I played them, was very different from World Cups. The intensity of the World Cup was extreme. The IPL intensity was higher than bilate...