Smith graduated from Ohio State University and was voted in the All-American selection. He became a professional tennis player in 1987 and in the same year was able to win his first individual title on the ATP Challenger Tour in Bossonnens by beating Alexander Mronz in the final . He also won the doubles competition at the Challenger tournament in Munich with Tony Mmoh . In 1988 he won his first double title on the ATP World Tour at the side of Paul Wekesa in Tel Aviv . In total, he was able to win three double titles in the course of his career, and once again he was in a final. He reached his highest ranking in the tennis world rankings in 1988 with position 96 in singles and in 1991 with position 73 in doubles.
His best individual result at a Grand Slam tournament was reaching the third round of the US Open in 1994. In the doubles competition, he also reached the quarter-finals of the US Open in 1990.