Tennis rules?

1) Serve.

1. Rules before serving

Before serving, the server should stand in the area between the end line, the midpoint and the imaginary extension line of the sideline, throw the ball in any direction with his hand in the air, and hit the ball with his racket before landing (players who can only use one hand can throw the ball with his racket). When the racket touched the ball, it was served.

2. Rules when serving

During the whole service, the server shall not change his original position by walking or running, and his feet are only allowed to stand in the specified position and shall not touch other areas.

3. The location of the server

(1) At the beginning of each game, serve from the end line of the right area first. After scoring or losing points, the service should be changed to the left area.

(2) The serve should cross the net and diagonally fall into the opposite service area or the line around it.

4. Service error

Missed the ball; The sent ball touches the fixture before landing (except the net, the center belt and the white cloth at the edge of the net); Violation of gas station regulations. After the server makes a mistake in serving for the first time, he should serve for the second time in the original position.

5. The serve is invalid

The service still falls into the opponent's service area after hitting the net, and the receiver is not ready to catch the ball; We should serve again.

6. Exchange serve

At the end of the first game, the receiver becomes the server, and the server becomes the receiver. After that, every game was over. They all took turns exchanging with each other until the game was over.

(2) General rules

1. Exchange place

After the odd-numbered games such as 1, 3, and 5 are over, if the sum of the two sides' games at the end of each game is odd, the two sides will exchange venues.

Lose points

In any of the following circumstances, points will be deducted.

(1) The ball failed to return to the net before landing for the second time.

(2) The return ball touches the ground, fixtures or other objects outside the boundary of the opponent's field.

(3) Failed to return the hollow ball.

(4) Deliberately touching the ball with the racket more than once.

(5) When serving, the player's body and racket touch the net.

(6) Hit the ball over the net.

(7) Throwing and hitting the ball

Press the ball

All the balls that fall on the line are in bounds.

(3) doubles

1. doubles serve order

At the beginning of the first game of each set, the server decides who will serve first, and the opponent also decides who will serve first at the beginning of the second game. The third game was served by another player in the server in 1 match. The fourth game was served by another player who served in the second game. Serve in this order in the next few innings.

2. Catch order of doubles

The player who receives the ball first should decide who will receive the service first at the beginning of 1 game, and continue to receive the service first in this odd game. Both sides should also decide who will receive the service at the beginning of the second game, and continue to receive the service first in this even game. Their companions should take turns to receive services in each game.

Doubles counterattack

After receiving the serve, both sides should return the ball by either player in turn. If an athlete touches the ball with a racket after a teammate hits the ball, the opponent will be awarded a score.

(4) Scoring method

1. Win 1 game

(1) Every time you win 1 ball, you get 1 point, and the one who wins 4 points first wins 1 game.

(2) When both sides score 3 points, it is "equally divided". After equal share, the net win is divided into 1 game.

2. Win 1 set

(1) One side wins six sets first 1 set.

(2) When both sides win five sets, one side wins 1 set with two sets.

3. Scoring system for the deciding game

When there are six innings in each game, there are the following two scoring systems.

(1) long set system: one side wins two sets and wins 1 set.

(2) Short-set system: In addition to the deciding set, unless otherwise specified before the game, the following methods should generally be followed.

A. The player who scores 7 points first wins the game and the set (if it is 6 points, one side must score 2 points).

B. First, the server serves 1 point, and the opponent serves 2 points and 3 points, and then serves 2 points in turn until the end of the game.

C 1 The ball serves in the right area, the second ball serves in the left area and the third ball serves in the right area.

D. change venues every 6 points and the end of the deciding game.

4. Short-term scoring system

(1) 1 ball (0: 0), server A serves 1 minute, 1 minute, then change the serve.

(2) No.2 and No.3 balls (reported as 1: 0 or 0: 1, not reported as 15: 0 or 0: 15) were served by B, and then they were served from the left area.

(3) The 4th and 5th balls (reported at 3: 0 or 1: 2, 2: 1, not reported at 40: 0 or 15: 30, 30: 15) were served by A, and after serving twice, A changed the service from the left area.

(4) The 6th and 7th balls (reported as 3: 3 or 2: 4, 4: 2 or 1: 5, 5: 1 or 6: 0, 0: 6) are served by B, and then the court is changed. If the game is not over, B will continue to serve the 7th ball.

(5) When the scores reach 5: 5, 6: 6, 7: 7, 8: 8 ..., it takes two consecutive points to decide who is the winner. But on the scoreboard, it says 7: 6.

(6) After the tie breaker, the Israeli players change venues.

Website rules:

Course type

Tennis courts can be divided into outdoor and indoor, and have various court surfaces. This will be determined by economic factors. For example, lawn tennis is the most basic outdoor venue, but its establishment and maintenance costs are too expensive, so it is now replaced by an artificial court, which is cheaper and easier to maintain. In addition, a clay court is popular in Europe, and its French Open is such a court.

Basic rule

Generally, tennis has some basic rules, such as singles and doubles. How many games are there in each game, how many games are there in each game, and how many points are there in each game. Most men's competitions are dominated by five sets, while some men's competitions and all women's competitions are won by three sets. The following is an explanation of the scoring method of competition, plate and match.

Introduction of golf equipment

When choosing a ball and racket, you should consider the following points:

First, is the ball too kind? Still too light?

Second, is the grip feeling the same? Big or too small?

Is the racket heavy or light?

Fourth, do you need a big face? Do you know the function of the middle racket face and the big racket face?

Do you like thread density? Do you prefer to wear thick thread or thin thread?

6. Do you like the thick lens frame?

Will the racket be too hard? What are the advantages of hard and soft?

Do you like long or oval rackets?

Do you know the material and design concept of the racket?

Are the thread, skin grip, nail stripping, sheath and other parts satisfactory?

This is explained below:

lawn

Because the maintenance of the grass court is time-consuming and expensive, it is less and less cross-field. They must have a good drainage system. The picture on the right is the sign cross section of the standard grass court. It used to be 7.5 cm (3 inches) of selected soil and 65,438+05 cm (6 inches) of transparent layer, while the lower two surfaces were unorganized infiltration layers separated by stone disks, while the subsoil was covered with drainage channels with a width of 44 cm (65,438+08 inches). The perimeter of the stadium consists of slender and durable slats, concrete walls and corners.

artificial

Artificial stadiums are becoming popular because they are easy to protect. The man-made stadium that has been greatly transformed is often the most suitable for use. The picture on the right shows Mercuri Stadium, which is composed of flat and thick rubber plants with reduced subunit resin, sprayed with polyurethane, which can penetrate the bottom layer and cover with parking oil.

red soil

Hard court needs frequent maintenance, and the maintenance fee is sometimes high. The picture on the right shows the cross section of a well-built hard court. The purchased layers are as follows: 19~40 km thick surface material, followed by gravel layer composed of sand and gravel residue or coarse sand, followed by 12.5 cm (5 inches) permeable layer, 7.5 cm (3 inches) above the subsoil and 22.5 cm (9 inches) below the datum level.

Scoring rules:

First, win a point.

Give your opponent 1 points in the following situations:

1, the server made two consecutive service errors or foot errors.

2. When the receiver hits the ball with a racket before the serve lands, or when the ball touches his body and clothes.

3. When the ball fails to return to the net before landing for the second time.

4. Touch the ground, fixtures or other objects outside the boundary of the opponent's field when hitting the ball.

5. The balloon failed to return when it was empty.

6. In the game, the batsman intentionally swats or catches the ball with the ball, or intentionally touches the ball with the racket for many times.

7. During the "live ball" period, the player's body, racket (whether held in his hand or not) or other objects he wears touch the net, net post, singles post, rope or wire rope, central belt, white cloth at the edge of the net or the ground of the opponent's court.

8. Return the air ball that didn't cross the net (hit the ball over the net).

9. In addition to the racket held in the hand (whether with one hand or both hands), the athlete's body or the object he wears touches the ball.

10, when throwing a bat.

1 1. In the competition, the players deliberately changed the shape of the racket.

Second, win a game.

Every time an athlete wins a goal, he gets 1 point, and the player who wins four points first wins a game. However, when both sides get 3 points, it is "duece". After the "equal share", one side gets 1 point first, which is called "dominant serve" or "dominant serve". Only by continuously scoring 1 point can you win a game. (where 1 points FIFA, 2 points 30, 3 points 40)

Third, win a set.

One side wins six games before winning one set, but when both sides win five games, one side must win two games before winning one set.

Fourth, a tie (also called a tie)

When the number of matches in each game is 6, a tie breaker will be held. First of all, 7 points will win the game and set. If the score is 6, one side must win 2 points.