Law 9: Service

The flight of the shuttle is upwards from the server's racket and over the net.

Source: BWF Laws 2027, Law 9.1 · recall

A correct service would land in the receiver's service court, on or inside its lines.

Source: BWF Laws 2027, Law 9.1 · recall

The service court includes its boundary lines, so a shuttle on the line is in.

Source: BWF Laws 2027, Law 9.1, 1.3 · applied

Server and receiver stand within diagonally opposite service courts.

Source: BWF Laws 2027, Law 9.1.3 · recall

Once both are ready, neither side may cause undue delay to the service.

Source: BWF Laws 2027, Law 9.1.1 · applied

The positions and feet rules last until the service is delivered; then players may move anywhere on their side.

Source: BWF Laws 2027, Law 9.1.4, 10.2.1 · applied

Diagonally opposite the server's right court is the receiver's right court.

Source: BWF Laws 2027, Law 9.1.3 · applied

Upwards off the racket, over the net, into the receiver's service court.

Source: BWF Laws 2027, Law 9.1 · recall

A service crosses the net and must carry past the receiver's short service line.

Source: BWF Laws 2027, Law 9.1, 1.1 · applied

Server and receiver must not touch the boundary lines of their service courts; doing so is a fault.

Source: BWF Laws 2027, Law 9.1.3, 13.1 · applied

Some part of both feet stays in contact with the court, in a stationary position.

Source: BWF Laws 2027, Law 9.1.4 · recall

The server releases the shuttle without adding spin (the spin serve ban of 2025).

Source: BWF Laws 2027, Law 9.1.5 · recall

The server's racket must initially hit the base of the shuttle.

Source: BWF Laws 2027, Law 9.1.5 · recall

The whole shuttle is below 1.15 m from the court surface at the instant of being hit.

Source: BWF Laws 2027, Law 9.1.6 · recall

From the start of the service the racket's movement continues forwards until the service is delivered.

Source: BWF Laws 2027, Law 9.1.7 · applied

In attempting to serve, the server shall not miss the shuttle.

Source: BWF Laws 2027, Law 9.1.8 · applied

For wheelchair players the height limit is the server's armpit.

Source: BWF Laws 2027, Law 9.1.6.1 · recall

The first forward movement after the backswing starts the service; contact with the base delivers it.

Source: BWF Laws 2027, Law 9.1.2, 9.1.5, 9.2 · recall

1.15 m, then 1.524 m, then 1.55 m.

Source: BWF Laws 2027, Law 9.1.6, 1.10, 1.4 · recall

The whole shuttle must be below 1.15 m at the instant of being hit.

Source: BWF Laws 2027, Law 9.1.6 · applied

Once the players are ready, the first forward movement of the racket head starts the service.

Source: BWF Laws 2027, Law 9.2 · recall

A started service is delivered when the racket hits the shuttle or misses it in attempting to serve.

Source: BWF Laws 2027, Law 9.3 · recall

Any delay in starting the service after the backswing is complete counts as undue delay.

Source: BWF Laws 2027, Law 9.1.2 · applied

A receiver who attempts a return is considered to have been ready.

Source: BWF Laws 2027, Law 9.4 · applied

Partners may take any positions within their courts that do not unsight the opposing server or receiver.

Source: BWF Laws 2027, Law 9.5 · recall

The server shall not serve before the receiver is ready.

Source: BWF Laws 2027, Law 9.4 · recall

In attempting to serve, missing the shuttle delivers the service.

Source: BWF Laws 2027, Law 9.3 · applied

Readiness, the start of the service, delivery, then the flight over the net.

Source: BWF Laws 2027, Law 9.2, 9.3, 9.4 · recall

A return attempt means the receiver was ready, so play goes on.

Source: BWF Laws 2027, Law 9.4 · applied

Partners may stand anywhere in their court that does not unsight the opposing server or receiver.

Source: BWF Laws 2027, Law 9.5 · applied