Smith made the step up to international cricket when he was selected in the West Indies squad to face Australia in their 2003 tour. He made his Test debut in the first match of a four-Test series at Bourda, a score of 3 in the first innings was followed by 62 in the second, in a match that Australia went on to win by 9 wickets. Despite scoring a pair in the second Test, Smith retained his place for the rest of the series, making another half-century in the third Test. Smith also made his ODI debut on the same tour, he played the first three matches of the seven-ODI series, making a highest score of 26.