Outdoor games; apparatus for use in outdoor sporting activities; articles for use in ball games; articles for use with ball games; sporting articles for use in playing racquet games; apparatus for playing the game of tennis; portable tennis set for singles or doubles play, consisting primarily of equipment and accessories used for tennis, namely balls, racquets, netting, an anchoring system for the game, cord, white chalk, a bag, a brochure explaining the game, instructions for the installation of the game, written rules of the game