Although different groups of people have different demographics, the general breakdown suggests that Reds comprise 25% of the population; Blues 35%; Whites 20%; and Yellows 20%. A 45-question test assesses one's color, based on whether you answer A, B, C, or D.
In 1926, promoter C.C. Pyle created the first professional tennis tour with a group of American and French tennis players playing exhibition matches to paying audiences. The most notable of these early professionals were the American Vinnie Richards and the Frenchwoman Suzanne Lenglen.
United States Tennis Association. The United States Tennis Association (USTA) is the national governing body for tennis in the United States. A not-for-profit organization with more than 700,000 members, it invests 100% of its proceeds to promote and develop the growth of tennis, from the grass-roots to the professional levels.