6. Graeme Smith (South Africa) – 18 Wins:

A direct and upfront leader Graeme Smith has led the team with an example, his performances with the bat and his temperament on the field were the reason behinds the Proteas success. Smith finds the sixth spot on the list of successful captains in the T20Is, below is the table showing his accomplishments as captain of South Africa in T20Is.
Captaincy span | Matches | Won | Lost | Tied | No Results | Win Percentage |
2005-2010 | 27 | 18 | 9 | 0 | 0 | 66.66 |