Kallis was awarded the captaincy of South Africa for the third and final Test match against Australia in 2006 when Graeme Smith stood down with an injury. Kallis currently holds a number of South African cricket records, including most ODI and Test runs, highest ODI and second highest Test batting average and most Test centuries by a South African. Kallis is one of only four players in Test history after Sir Donald Bradman and before Mohammad Yousuf and Gautam Gambhir to make a century in five consecutive matches, achieved in season 2003/04. In 2005, he set the record for the fastest half-century.In Test cricket history, scoring 50 against Zimbabwe off only 24 balls.