Sport: A fast-paced racket sport using light rackets to hit a feathered or synthetic shuttlecock back and forth over a net.
Players: Played as singles (one opposing player) or doubles (two pairs).
Objective: Hit the shuttlecock over the net so it lands within the opponent's court boundaries.
Match Format: Best of 3 games.
Standard Game: Played to 21 points using rally scoring (a point is awarded on every serve/rally).
Winning: You must win by at least 2 clear points.
Caps: If the score reaches 20-all, play continues until a 2-point lead is established. The absolute maximum cap is 30 points (if it reaches 29-all, the first to 30 wins).
Even Score (0, 2, 4...): Serve from the right side.
Odd Score (1, 3, 5...): Serve from the left side.
Switching: If the server wins the rally, they score a point and serve again from the alternate side. If the receiver wins the rally, they score a point and take over the serve.
Singles Court: Uses narrow court lines (inner side lines) and outer back boundary lines.
Doubles Court: Uses wide court lines (outermost side lines) and outer back boundary lines.
Dimensions: 13.4m x 5.18m for singles; 13.4m x 6.1m for doubles.
Net Height: 1.55m at the posts, 1.524m at the center.
Out of Bounds: Hitting the shuttlecock outside the defined boundaries.
Net Touches: Any part of your body, clothing, or racket touching the net while the shuttle is in play.
Double Hit: Hitting the shuttlecock twice in succession, or hitting it with your partner before it crosses the net.
Obstruction: Reaching over the net to strike the shuttlecock before it crosses to your side.
Carrying: Catching, holding, or resting the shuttle on the racket before hitting it.
Source: 2.-Badminton-Lesson-1.pdf