Later on, around the 12th and 13th centuries, the game was further developed. Instead of just using the hand, players created a leather glove so that they could take more control when hitting the ball with their hands. As time went by, a wooden stick was added to the glove which led to the birth of the tennis racket. Take a look at tennis tournaments and you are set to see a logo of the company on the background! It would be hard to believe now that Prince all started from a useful invention that was born in a small garage. From there, we see the achievements of the company: 1.Invention of the machine for tennis balls by Bob Mclure in 1970. These are effective in prolonging string life. But there are those players who don t like String Savers primarily because it gives their racquets a stiff grip. If you wish to prolong the string life of your racquet, use a thick gauge string. We highly suggest that you replace your strings many times in a year, that is if you frequently play. The ITF Futures Circuit and Men s and Women s Satellite are additional tennis sporting events they organized. Lots of ITF matches and group competitions for the amateurs, experts and disabled tennis players are also being organized. Men's team tournament such as, BNP Paribas Davis Cup, and Fed Cup for women, are some of the competitions organized by ITF. Here are the elements of the serve before the racquet hits the ball: Service Stance Adjust your stance according to the appropriate service you ll make. Remember to have your feet shoulder-width apart, knees bent, your front foot not stepping on the baseline and it should be two feet away from the center mark. Members in the rookie phase are given only basic media training, while members of the Premier and Elite phases are provided a more advanced media instruction. Parent Orientation The WTA Tour believes that the parents perform a crucial role in the career development of their children. Thus, the WTA Tour requires all parents to attend and complete its parent orientation, which discusses the facilities and services made available by WTA to the players and the possible obstacles their daughters will encounter in professional tennis.