Abstract: A color-coded system of indicating professional evaluation of tennis skill of a person has emblems which include a plurality of skill-coded colors of color-coded-instrument emblems (1) or color-coded-background emblems (14) for display on tennis apparel, instruments and other items selectively. The emblem can include a plurality of coded colors of representations of preferably a tennis ball (25) or other tennis instrument in uniformly different-colored backgrounds. Optionally, the emblem can include uniformly colored representations of preferably a tennis ball or other tennis instrument in emblem backgrounds of a plurality of differently coded colors. The system is a combination of color-code indicia and a method of professional evaluation of players in accordance with a predetermined rating system that equals preferably zero-to-250 points for lowest-rated ability to highest-rated ability, respectively.