It has used the following for basis: general distinctiveness of a variety of playing levels five-matches / tactical strategies of tennis ( serving and returning at baseline, approaching, passing) game-technique of player. International Tennis federation, being the central figure in the tennis world is considered as the unifying force that aims to strengthen the game and be appreciated by people in all countries of the world. Requirements If you are interested in competing on the WTA Tour, which changed its name to Sony Ericsson WTA Tour in 2005, the first thing you have to do is submit a duly accomplished Mandatory Player Form. This form, which is submitted before every tour year by everyone who wants to join the tour, is available on Sony Ericsson WTA Tour website and must be forwarded to the Tour's office in Florida through fax. This results to the deterioration of the tendon that cause the small tears. Most sufferers of tennis elbow are between 35-65 years old. Both men and women have the same chance of being afflicted with it. Tennis elbow inflicts 75% of patients dominant arm. Any person is capable of being affected, but tennis elbow is in general noticed in two sets of patients, namely: Blue-Collar Workers People who use their hands in working, manual laborers, they are in danger of being affected tennis elbow. He must only serve when the receiver is prepared. Serves must be from the server s deuce base to the receiver s service box. If the server doesn't hit the ball twice, he basically doesn't get the point. The first miss is referred to as Fault whereas the second miss is called Double Fault. The receiver must return the server s ball. Push your weight on the ground while keeping your front knee as you part your racquet arm and your tossing arm. Twist the serving shoulder a little so the racquet arm and tossing arms align. 3. Do the ball toss by releasing the ball slightly in front of the shoulder while the racquet is facing downwards and is terminally retracted. She started playing tennis at a young age and was enrolled at Nick Bolletierri's tennis academy by her parents. At the age of 14, she was the youngest to have won the Fed Cup match. Although she ranked the top 20 players in the world in the singles division, she was more recognized in her doubles ranking.