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The Laws of Badminton and Competition Regulations in the BWF Statutes provide the detail on every aspect of the game of badminton.

Below is a brief overview - simplified rules.
Scoring System

A match consists of the best of 3 games of 21 points.

Every time there is a serve - there is a point scored.

The side winning a rally adds a point to its score.

At 20 all, the side which gains a 2 point lead first, wins that game.

At 29 all, the side scoring the 30th point, wins that game.

The side winning a game serves first in the next game.

Interval and Change of Ends

When the leading score reaches 11 points, players have a 60 second interval.

A 2 minute interval between each game is allowed.

In the third game, players change ends when the leading score reaches 11 points.

At the beginning of the game (0-0) and when the server's score is even, the server serves from the right service court. When the server's score is odd, the server serves from the left service court.

If the server wins a rally, the server scores a point and then serves again from the alternate service court.

If the receiver wins a rally, the receiver scores a point and becomes the new server. They serve from the appropriate service court - left if their score is odd, and right if it is even.

Doubles

A side has only one 'set'.

The service passes consecutively to the players as shown in the diagram.

At the beginning of the game and when the score is even, the server serves from the right service court. When it is odd, the server serves from the left court.

If the serving side wins a rally, the serving side scores a point and the same server serves again from the alternate service court.

If the receiving side wins a rally, the receiving side scores a point. The receiving side becomes the new serving side.

The players do not change their respective service courts until they win a point when their side is serving.

If players commit an error in the service court, the error is corrected when the mistake is discovered.

In a doubles match between A & B against C & D. A & B won the toss and decided to serve. A to serve to C. A shall be the initial server while C shall be the initial receiver.

Course of action / Explanation

Service from Service Court

Love All

Right Service Court. Being the score of the serving side is even.

A serves to C A and C are the initial server and receiver.

A & B

Note that this means:

The order of server depends on the score odd or even same as in singles.

The service courts are changed by the servicing side only when a point is scored. In all other cases, the players continue to stay in their respective service court from where they played previous rally. This shall guarantee alternate server.

Membership

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The Laws of Badminton and Competition Regulations in the BWF Statutes provide the detail on every aspect of the game of badminton. Below is a brief overview - simplified rules. Scoring System A match consists of the best of 3 games of 21 points. Every time there is a serve - there is a point scored.

# data[].attributes.attachment_link.readable_text
The Laws of Badminton and Competition Regulations in the BWF Statutes provide the detail on every aspect of the game of badminton.

Below is a brief overview - simplified rules.
Scoring System

A match consists of the best of 3 games of 21 points.

Every time there is a serve - there is a point scored.

The side winning a rally adds a point to its score.

At 20 all, the side which gains a 2 point lead first, wins that game.

At 29 all, the side scoring the 30th point, wins that game.

The side winning a game serves first in the next game.

Interval and Change of Ends

When the leading score reaches 11 points, players have a 60 second interval.

A 2 minute interval between each game is allowed.

In the third game, players change ends when the leading score reaches 11 points.

At the beginning of the game (0-0) and when the server's score is even, the server serves from the right service court. When the server's score is odd, the server serves from the left service court.

If the server wins a rally, the server scores a point and then serves again from the alternate service court.

If the receiver wins a rally, the receiver scores a point and becomes the new server. They serve from the appropriate service court - left if their score is odd, and right if it is even.

Doubles

A side has only one 'set'.

The service passes consecutively to the players as shown in the diagram.

At the beginning of the game and when the score is even, the server serves from the right service court. When it is odd, the server serves from the left court.

If the serving side wins a rally, the serving side scores a point and the same server serves again from the alternate service court.

If the receiving side wins a rally, the receiving side scores a point. The receiving side becomes the new serving side.

The players do not change their respective service courts until they win a point when their side is serving.

If players commit an error in the service court, the error is corrected when the mistake is discovered.

In a doubles match between A & B against C & D. A & B won the toss and decided to serve. A to serve to C. A shall be the initial server while C shall be the initial receiver.

Course of action / Explanation

Service from Service Court

Love All

Right Service Court. Being the score of the serving side is even.

A serves to C A and C are the initial server and receiver.

A & B

Note that this means:

The order of server depends on the score odd or even same as in singles.

The service courts are changed by the servicing side only when a point is scored. In all other cases, the players continue to stay in their respective service court from where they played previous rally. This shall guarantee alternate server.

Membership

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The Laws of Badminton and Competition Regulations in the BWF Statutes provide the detail on every aspect of the game of badminton. Below is a brief overview - simplified rules. Scoring System A match consists of the best of 3 games of 21 points. Every time there is a serve - there is a point scored.

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Delaying the serve after being ready is not allowed by the rules. Once the server is ready and the receiver is ready the server should deliver the serve promptly. According to the rule 9.1.1 the server must serve within 5 seconds after being called ready and any significant delay can be considered a fault. If a player deliberately delays the serve to distract or throw off their opponent it could be seen as unsporting behavior and the umpire may issue a warning or fault depending on the situation. However players sometimes try to delay the serve to throw off the opponent’s timing or to gain a psychological advantage but this should always be done within the limits of the rules to avoid penalties.

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In badminton if a player misses the shuttlecock completely while serving it is considered a fault. The rules state that the shuttle must be struck with the racket during the serve and if the player fails to make contact with it the serve is deemed a missed serve. As a result the server loses their turn and the opponent is awarded the point. There is no opportunity for a re serve in this situation meaning the point goes to the opponent. Missing the shuttle while serving is a common mistake. This rule is 9.1.9 and says the server may not miss the shuttle when serving.

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In swimming competitions pulling on the lane rope is considered a violation of the rules. The lane ropes are designed to keep swimmers within their assigned lanes and prevent interference from other swimmers. Grabbing or pulling on the lane rope for balance support or to aid in turning is not allowed as it can give an unfair advantage or disrupt the fairness of the race.

If a swimmer is seen pulling on the lane rope during a race it can result in a disqualification or a warning depending on the severity of the violation and the rules of the specific competition. This rule is 10.7 and states swimmers are not allowed to pull on lane ropes.

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A false start in swimming happens when a swimmer moves before the starting signal. This is a rule violation and usually leads to disqualification. Modern systems use sensors to detect early movement. In most races only one false start is allowed for the whole group. If one swimmer false starts they're disqualified but others aren't penalized unless they also start early. False starts ensure a fair race for all swimmers. This is rule 4.4 and states that a swimmer starting before the starting signal has been given shall be disqualified.