Terms tennis tournament singles (The singles Game) 1. Field (The Court) preferred a rectangle 78 feet (23.77 m) wide and 27 feet (8.23 meters) and will be divided into two parts, with a net (Net). which hung from a rope GMS (Cord or Metal Cable) diameter not more than 1/3 inch (0.8 cm) at the end of a rope attached to the GMS to stretch across two pillars, columns or pillars (Post) a square pillar. Width is no more than 6 inches (15 cm) or a pillar diameter less than 6 inches (15 cm) of the two pillars must be no higher than the top of the rope GMS than 1 inch, the midpoint of the two pillars of the need. Stay away from each side to 3 feet (0,914 meters), the height of the pole to make the top of the rope GMS above the ground 3 feet 6 inches (1.07 meters) in the Challenge of the applied field and the lattice of type double. (see Rule 34) will be fine mesh to 3 feet 6 inches (1.07 m) by adding the two poles. This is called the pole that adds "Not a word lattice" (Singles Sticks) This column is a square pillar. Width less than 3 inches (7.5 cm) or a round pole diameter not more than 3 inches (7.5 cm) in the center of crutches mesh must stay away from single to 3 feet (0.91 meters) mesh to stretch fully closed. The channel between the poles out. Mesh must be small enough not to make eye lob penetrable. At the center of the mesh to a height of 3 feet (0.91 meters) and requires the GMS (Strap) white no more than 2 inches (5 cm) cling to the ground. Each side of the net must have a mesh covered (Band) white rope wrapped GMS and the upper edge of the mesh. The bar must not be less than 2 inches (5 cm) and not more than 2 1/2 inches (6.3 cm) must not have any advertising on the cover mesh netting. Or crutches mesh lines at the end of the field on both sides of the "line" (Base-Line) line on the side of the pitch, both sides called "throw" (Side-Lines) A line drawn parallel. with mesh sides and away from the net, and 21 feet (6.40 meters) called "lines serving" (Service Lines) a straight line from the center of the serving side parallel to the side to the center of the serving. One side called "lines serving Central" (Centre-Service-Line) line must be 2 inches (5 cm) and will share space on each side of the net between the lines serving throw into two equal portions. Each, an "The court served" (Service-Courts) line both sides are divided by the midpoint (Centre Mark), a stroke, touch and perpendicular to the line into the field. In line with the lines serving the midpoint this long, 4 inches (10 cm) wide and 2 inches (5 cm) and other lines also not be less than 1 inch (2.5 cm) and not more than 2 inches (5 cm). Unless the line width may be no more than 4 inches (10 cm) in width and size of different parts. The field must be measured from the outer edge of each line. All lines must be the same color as the advertisement or any object on the back of the field must not white, yellow light may be used if the eyes of the players list attached to the chair of a linesman, who was sitting. Back of the Yards No white Light may be used if the eyes of the player notes. In the tournament finals of the country (Davis cup) or tournament finals, held by the International Tennis Federation. Is defined to be the space behind the line each side of not less than 21 feet (6.4 meters) and an area of the field on each side of not less than 12 feet (3.66 meters) chair lineman will be placed in the rear courtyard. range up to 21 feet and the side of the pitch in a range up to 12 feet, but it deep into not more than 3 feet 2 things fixed (Permanent Fixtures) the permanent installation of the tennis court is not meant to mesh pole crutches. GMS GMS rope mesh band. Only the Mesh It includes the use of rear and side yard. Bleacher chairs installed on or mobile. This is the Circuit Court Including those sitting on them. Other Fixtures Situated around and above the field umpire (Umpire) of Connecticut (Net-Cord Judge) of the foot fault (Footfault Judge) Lineman (Lonesmen) and keep the ball (Ball Boys), which regularly serves as a note. The purpose of this rule, the term "judge" means a judge and referee help all 3 tennis balls (The Ball) must be rounded outer surface of the flat at the ball. You have to be white or yellow. If there is not a stitch seam. He must have a diameter greater than 2 1/2 inches (6.35 cm), but less than 2 5/8 inches (6.67 cm) and weighs about 2 ounces (56.7 grams), but less than 2 1/16 ounce (58.5 grams) of a beating. ball when dropped from a height of 100 inches (254 cm) on the concrete to be bounced higher than 53 inches (135 centimeters), but less than 58 inches (147 centimeters) at the two ends of the diameter of the ball, with a capacity of 18 pounds. (8.165 kg), the surface of the ball will fall into more than 0.022 inch (0.56 cm), but less than 0.290 inch (0.75 cm) in the light out to be greater than 0.350 inch (0.89 cm), but less than 0.425 inch (0.08 cm) in these figures. This is the average of the three children in the axial direction of the ball. And that of the press in between the axes of different pairs, one must not differ more than 0.030 inch (0.08 cm) if there is a match on a high from sea level to 4,000 feet (1,219 meters) may be used to increase. The other two models - the first place to look, as mentioned above. But they must have bounced higher than 48 inches and less than 53 inches must be higher than the pressure in the external pressure. This is known as a tennis ball with a tennis ball compression. (Perssurised) - A second look exactly like that. It must have bounced higher than 58 inches and 53 inches must be compressed inside, as well as the external pressure. And must be brought into the venue, about 60 days or so to adjust the air. This is called a tennis ball, tennis ball without compression (Non Pressurised) Article 4 rackets (The Racket) racquet will have the following characteristics.
การแปล กรุณารอสักครู่..