
Badminton is a fast-paced racket sport that can be played as singles or doubles. The aim is to hit a shuttlecock over a net and into the opponent's court. To ensure a fair game, there are badminton officials, including an umpire, service judge, and line judges. The service judge sits opposite the umpire and is responsible for calling service faults and providing shuttles to the players. They are also in charge of checking whether the serves are legal. The line judges sit beside the badminton court and determine whether the shuttlecock is inside or outside the boundaries of the court.
| Characteristics | Values |
|---|---|
| Number of judges | There are up to 10 line judges, one service judge, and one umpire. |
| Dress code | Umpires typically wear black. |
| Seating arrangement | The service judge sits opposite the umpire on a normal chair. |
| Duties | The service judge calls service faults and provides shuttles to the players. Line judges determine whether the shuttlecock is inside or outside the boundaries of the court. The umpire keeps track of the score, calls faults, communicates with the players, and ensures the game is run smoothly. |
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What You'll Learn

Service judges call faults and provide shuttles
A badminton match is played by two opposing players (singles) or four opposing players (doubles). The aim is to hit a shuttlecock (or shuttle) over a net and into the opponent's court. A legal serve must be hit diagonally over the net and across the court. The whole of the shuttle should be below 1.15 metres from the surface of the court when it is hit by the server, with the racquet shaft pointing downwards.
The service judge is one of the technical officials on the badminton court. They sit in a relatively lower chair opposite the umpire and have two main responsibilities: calling service faults and providing replacement shuttlecocks.
Service faults occur when the server breaks one of the service rules. For example, a fault may be called if the shuttlecock is served above 1.15 metres from the surface of the court, or if the player hits the shuttlecock twice. If a service fault is committed, the service judge will call it out and hold their hand at chest level with their palm facing down. The service judge must communicate any service fault to the umpire, who can then promptly halt the game.
The service judge also provides players with a replacement shuttlecock if needed. Service judges are qualified umpires and wear a black uniform.
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Line judges decide if the shuttle is ''in' or 'out'
Line judges play a crucial role in ensuring fair play and smooth gameplay in badminton. They are responsible for making critical decisions regarding the shuttle's landing position, specifically whether it lands "in" or "out" of the court boundaries.
In badminton, the line judges are positioned beside the court, directly in front of the in/out lines. Their primary duty is to determine whether the shuttlecock lands inside or outside the boundaries of the court. This role is essential, as it directly impacts the scoring of the game. A point is scored when the shuttlecock, or shuttle, lands inside the opponent's court. Conversely, if the shuttlecock hits the net or lands outside the court, the player loses the point.
The line judges' calls are often subjective and can be controversial. Their decisions can significantly influence the outcome of a match, making their role highly important. At top tournaments, there can be up to ten line judges to ensure accurate decision-making.
In addition to their primary role, line judges may also have other responsibilities. For example, at national-level events, line judges may double up as umpires or service judges, making calls for the lines they are sitting on. They may also be tasked with mopping the court to ensure it is free of sweat, dust, or feathers.
The line judges work under the supervision of the umpire, who is the 'main judge' and has the authority to overrule their decisions. The umpire is responsible for the overall management of the court and its surroundings, ensuring fair and smooth gameplay. They make calls for faults, such as a player touching the net or the shuttle touching a player, and communicate directly with the players.
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Umpires are the 'main judge' and can overrule other officials
In a badminton match, there are several officials, including a referee, an umpire, a service judge, and line judges. The referee is in overall charge of a badminton tournament or championship, upholding the laws and regulations of the game. The umpire is the main judge and has the authority to overrule the decisions of other officials, such as the service judge or line judges. They are responsible for the smooth conduct of the game, ensuring players do not delay gameplay, and monitoring faults around the net area, such as a player touching the net or the shuttle touching a player's body or attire. The umpire also approves requests for changing the shuttlecock and communicates with the players. Typically, the umpire wears black and sits on a high chair to oversee the court and its surroundings.
The service judge sits opposite the umpire in a lower chair and is responsible for calling service faults and providing replacement shuttlecocks to the players. They monitor the legality of the serve, including the height of the shuttlecock during the serve, and communicate any service faults to the umpire. The service judge's role may be filled by the umpire if one is not appointed for a match.
Line judges are positioned beside the badminton court, in front of the in/out lines, to determine whether the shuttlecock lands inside or outside the boundaries. Their calls can be subjective and sometimes controversial. At the top tournaments, there can be up to ten line judges, and their uniforms are typically monochromatic blue or green.
In some large tournaments, a third umpire may be present to man the Instant Review System (IRS) for close line calls, although this role is now often automated. The number of officials can vary depending on the tournament's importance, with the full complement of officials typically reserved for the very top tournaments.
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Referees are in overall charge of tournaments
Referees are the most senior officials in badminton and are in overall charge of tournaments. They have overall authority over competitions, tournaments, and formal events, including international competitions. This authority is bestowed by the Badminton World Federation (BWF). Referees are responsible for matters both on and off the court. They are liable for any incidents that occur during play and must ensure that players receive proper facilities during tournaments and that playing conditions are adequate. Referees also prepare players' practice sessions and schedules and coordinate with coaches and teams. They are responsible for producing a full tournament report.
Referees work with a team of assistant referees to help them carry out their duties. They also liaise with umpires and other officials about matches and tournaments. The number of officials varies depending on the tournament's importance. At the very top tournaments, there may be a full complement of referee, multiple deputy referees, umpire, service judge, 12 line judges, and two mopper line judges.
Umpires are in charge of individual matches and the court and its immediate surroundings. They keep track of the score, call any faults, and communicate with the players. Umpires wear black uniforms and sit in high chairs overlooking the court. Service judges sit opposite the umpire and call out service faults. They are also responsible for providing players with replacement shuttlecocks if needed.
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Judges ensure fair play and smooth gameplay
Badminton is a fast-paced racket sport that can be played as singles or doubles. The aim is to hit a shuttlecock, or shuttle, over a net and into the opponent's court. The rules of the game are designed to ensure fair play and smooth gameplay, and it is the role of the judges to enforce these rules.
A badminton match will typically have 13 officiating officials, including one referee, one umpire, one service judge, and up to ten line judges. The referee is in overall charge of a badminton tournament or championship, upholding the laws of badminton and competition regulations. The umpire is the 'main judge' and has the power to overrule any decisions made by the service judge or line judges. They are responsible for the smooth running of the game, keeping track of the score, calling faults, and communicating with the players. The service judge sits opposite the umpire and is responsible for calling service faults and providing replacement shuttlecocks. Line judges sit beside the badminton court and determine whether the shuttlecock landed inside or outside the boundaries of the court.
The officials work together to ensure fair play and smooth gameplay. For example, the service judge and line judges support the umpire by allowing them to focus on the receiver. The umpire can also delegate some of their duties to the service judge, such as checking shuttle speeds and the height of the net. In smaller tournaments, the umpire may also fill in as a line judge.
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Frequently asked questions
The judge in badminton is officially known as the umpire. They are the 'main judge' and have the power to overrule any decisions made by the service judge or line judges. They are responsible for ensuring the game runs smoothly and preventing players from delaying gameplay. They keep track of the score and call any faults or 'lets'.
The service judge sits opposite the umpire and is responsible for calling service faults. They also provide players with replacement shuttlecocks.
Line judges sit beside the badminton court and determine whether the shuttlecock is inside or outside the boundaries of the court.
In addition to an umpire, a badminton game will have one service judge and up to four line judges.











































