Tennis is the most popular sports game in the world with a racket and a ball, which became widespread in France in the XI century. (later - in Italy, Germany, Spain and England, in the second half of the XIX century. In Eastern Europe and Russia, and from the end of the XIX century in the USA and Australia. The number of regular tennis players at the turn of the millennium exceeded 85 million. About 200 professional tournaments and 2,500 amateur competitions are held annually.