Hantuchová has also played tennis for Slovakia in an international tennis competition called the Fed Cup. As of July 2011, she has played 44 matches and won 29 of them. She helped Slovakia win the Fed Cup in 2002. In 2004, she played for Slovakia in the Olympic Games in Athens, Greece. She is sponsored by sportswear company Nike and racket manufacturer Prince. As of October 2011, she has won over $7.9 million from playing tennis. She is the first Slovak woman to win this much money just from tennis tournaments.