2. Victory by a huge margin.. In the 2007 T20 World Cup, Sri Lanka won the match against Kenya by 172 runs. This is the biggest win in the T20 World Cup so far. Batting first in this match, Sri Lanka scored 260 runs. This is also the highest score by any team in the T20 World Cup. After that, South Africa came second. In 2009, they won the match against Scotland by 130 runs.