CHAMP TENNIS is a term used to refer to three of the greatest tennis players of all time: Arthur Ashe, Hana Mandlikova, and Monica Seles. Arthur Ashe was an American professional tennis player who won three Grand Slam titles and was the first African American to win the men's singles at Wimbledon and the US Open. Hana Mandlikova was a Czechoslovakian professional tennis player who won four Grand Slam singles titles and nine Grand Slam doubles titles. Monica Seles was a Yugoslavian professional tennis player who won nine Grand Slam singles titles and was the youngest-ever French Open champion at the age of 16. Together, these three players are considered to be some of the greatest tennis players of all time.