Official BWF Rules

Badminton Match Format — Best of 3 Games to 21 Points

A standard badminton match is the best of 3 games, each played to 21 points using rally point scoring. This guide covers the complete match structure including toss, intervals, side changes, and how the format applies in tournament play.

Standard Match Format

  • Best of 3 games. The first player or pair to win 2 games wins the match.
  • 21 points per game. A game is won by the first side to reach 21 points.
  • Rally point scoring. A point is scored on every rally, regardless of who served.
  • Deuce at 20-20. Must win by 2 points, with a 30-point cap.

What Does Best of 3 Mean?

A match can end in either 2 or 3 games:

2-0 Result

One side wins both the first and second games. No third game is played. This is the shortest possible match.

2-1 Result

Each side wins one game, forcing a deciding third game. The side that wins the third game wins the match.

Rally Point Scoring

Since 2006, badminton uses rally point scoring. This means:

  • Every rally results in a point for one side.
  • The winner of the rally scores the point, whether they served or not.
  • If the serving side wins the rally, they score and serve again. If the receiving side wins, they score and gain the serve.

Before 2006, only the serving side could score (side-out scoring), and games were played to 15 points (11 for women's singles). Rally point scoring was introduced to make match durations more predictable for TV scheduling.

Side Changes

Players change ends (swap sides of the court) at specific points in the match:

  • After each game. Players always change ends between games.
  • At 11 in the third game. In the deciding game, players change ends when the leading score first reaches 11. This ensures both sides play from both ends in the most critical game.

Side changes matter because environmental factors (lighting, air currents, spectator positioning) can affect play differently on each side.

Intervals

60 seconds at 11 points

When the leading score first reaches 11 in any game, there is a mandatory 60-second interval. Players may receive coaching, towel down, and drink.

120 seconds between games

Between the first and second games, and between the second and third games, there is a 120-second interval.

For detailed interval rules including coaching, injury time-outs, and what happens if a player is not ready, see the interval rules guide.

Toss and First Serve

Before the match begins, a toss (coin flip or racket spin) determines the starting conditions:

  • The toss winner can choose to serve first, receive first, or pick a side of the court.
  • The loser gets the remaining choice. If the winner chooses to serve, the loser picks a side (and vice versa).
  • The first serve of every game is always from the right service court (score is 0-0, which is even).

Typical Match Duration

Match length varies depending on the level of play and the number of games:

Match TypeTypical Duration
Club/recreational (2-0)20-30 minutes
Club/recreational (2-1)35-50 minutes
Competitive singles (2-0)30-45 minutes
Competitive singles (2-1)50-75 minutes
Competitive doubles (2-1)45-65 minutes
With multiple deuce gamesUp to 90+ minutes

Tournament Formats

Tournaments typically use one of two structures:

Knockout (Elimination)

Lose once and you are out. This is the standard format for BWF international events. Players/pairs are seeded based on world rankings, with top seeds placed in different halves of the draw.

Group Stage + Knockout

Common at club and regional level. Players are placed in groups where everyone plays each other. The top 1-2 from each group advance to a knockout stage. This guarantees every entrant plays multiple matches.

Related Guides

Frequently Asked Questions

How long does a badminton match last?

A typical competitive match lasts 40-60 minutes for a 2-1 result. A straight 2-0 win can finish in 25-35 minutes. Matches with multiple deuce games can exceed 90 minutes. Club-level matches tend to be shorter due to fewer extended rallies.

Can a badminton match be best of 5?

Under current BWF rules, all official matches are best of 3 games. Best of 5 is not used in any standard format. Some exhibition events or local club rules may use best of 5, but this is not recognized by the BWF.

What happens if the match is tied 1-1?

A deciding third game is played. Players change ends at the start of the third game, and again when the leading score reaches 11. The third game uses exactly the same rules as the first two -- 21 points, deuce at 20-20, 30-point cap.

When do players switch sides?

Players change ends after every game. In the third game only, players also change ends when the leading score first reaches 11 points. This mid-game change ensures fairness in the deciding game.

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