4 tennis (The Racket)Tennis without the following characteristics apply to competition under the rules of tennis have not:(1) the portion of the tennis balls hit to the Green consists of n-knit the same way next to the fence. (Frame) and knit the side-by-side mud or where n overlap. Knitting requires regular, especially in the middle of the wood, tennis. The number of n must not be less than other area frequency. N of tennis needs no any material that is trapped or filing off from something that is used to prevent or restrict the wear of vibration only. Such a thing must have the appropriate size and position with the aim.(2) frame (Frame), as well as pens (Handle) there must be no more than 32 total length inches (81.28 centimeters) and no more than 12 tongkwang 1/2 inches (31.75 cm) Areas for slack n must have a length of no more than 15 1/2 inches (39.37 cm) wide and no more than 11 1/2 inches (29.21 cm)(3) frame and butt Must not contain any objects that are stuck or filing off from what was made in order to prevent or limit the wear? Vibration or weight distribution only. Such a thing must have the appropriate size and position with the aim.(4) the butt frame and n must not contain any device which allows the player to change the shape or weight distribution changes of tennis during an International Tennis Federation points race will be decided in the case that there is a problem that tennis will have met the above requirements, or it can be used in a tennis player or not, this decision will be made when deemed appropriate or when those involved, such as the International Association of manufacturers who, tennis (Naitonal Association) or subscriber to protest.Case studyProblem 1: tennis is one of the slack-n-more than one series or not.The casting: do not follow the rules for specified explicit and that slack n how tennis is and how it is incorrect.Problem 2: slack-n-tennis is correct? If the high level of slack-n-low are not equal.A crucial message: invalid.The problem that developers can make use of the Tennis 3 suspension components mounted on wooden tennis if it will stick straight?The casting: addicted, but must stick to the path of the cross n only.Problem 4: while tennis tournament n of athletes missing athletes can continue to play or not.The casting:. 5 who are served and the recipient (Server & Receiver)The players will be different sides of the mesh. The player who sent the first called "the waiter" (Server) One section called "recipients" (Receiver)Problem 1: the player while trying to hit the ball. If a horizontal line drawn slated to assume direct from mesh to be broken ... or not.(1) before hitting the ball.(2) after the hit was ball.The casting: do not lose points in both cases unless they are exceptionally into the opponent's Court (rule 20 (5)) in the event of any interruption. An opponent of the decision, it may be decided in accordance with the rules for who is 21 and 25.Problem 2: the manufacturer claims that must be served within the borders of the pitch is correct or not.A crucial message: invalid. The recipient will be standing in front of it as you like. 6. Choose border and served (Choice of Ends & Service)Select the border is selected to be served, or the recipient in the first game, but, to judge by the risk (Toss) players who win the chance to have permissions, or ask an opponent.(1) eligible to be served or the recipient. In the case of other players who chose Dan or?(2) select the border. In this case, other players have the right to choose who serves or recipient.Problem 1: the players are eligible to play again or not. If there is a delay or stop the race race. The casting: predict the risk that rights were available, but the choice may be changed to select or choose new territory served. 7 to serve (The Service)To serve must be made as follows: just before serving, who served with both feet must stand behind senlang (that is, senlang is currently serving with mesh), and stood between the fictional drag towards the Center (Center-Mark) and above. Then, those serving hands throw the ball up into the air in any direction, and then use the tennis hit the ball before falling to ground. When they touch tennis is considered to have finished serving it. If a player has only one arm will be used to help throw the ball in tennis serve it.Problem 1: double play. They served to stand behind the horizontal line between the senlang side of the stadium, a single category to all sides of a pair of categories. A crucial message: No.Problem 2: the player while serving 2 or more balls or throw the ball over instead of just throw the ball to the person served or not. The casting: not bad considered they should call out "islet", but if the judge deems the action occurs with the intention may be treated in accordance with the rules, 21.
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