The short answer
A badminton let cancels play since the last service and the same player serves again. A shuttle merely clipping the net is not a let. A shuttle trapped on or in the net has different outcomes during service and after the return, while a receiver who attempts a return is considered ready.
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A badminton let means replaying the rally from the previous service. The score from that interrupted rally does not count, and the player who served it serves again. Simply clipping the net is not enough to cause a let.
BWF Law 14 lists the circumstances, including an unready receiver, certain trapped shuttles and an undecidable line call. The distinctions below use the standard standing game; wheelchair badminton has an explicit trapped-shuttle exception.
A serve can touch the net and remain legal
If a served shuttle clips the tape, passes over and otherwise satisfies the service requirements, play continues. Badminton does not copy the ordinary tennis service-let rule.
That distinction is useful for players switching sports. Waiting for a replay after a legal badminton net clip can simply mean failing to return a live shuttle. The badminton service rules still determine whether the serve was legal in its height, delivery and destination.
A trapped shuttle depends on when it gets trapped
Laws 13.2 and 14.2.3 draw a boundary at the return of service. During service, a shuttle left hanging on the net or caught in it after crossing is a fault. After the service has been returned, the specified trapped-shuttle situations produce a let in the standing game.
| What the shuttle does | During service | After service has been returned |
|---|---|---|
| Brushes net and continues over legally | Play continues | Play continues |
| Remains suspended on top of net | Fault | Let in standard standing play |
| Crosses, then becomes caught in net | Fault | Let in standard standing play |
| Fails to cross and falls on striker’s side | Fault | Fault |
These are applications of the BWF clauses, not different names for the same contact. “Touched the net” leaves out the two details that decide it: what happened next, and when it happened.
A receiver who attempts the return was ready
Law 9.4 protects a receiver from a serve delivered before they are ready. It also treats attempting the return as evidence of readiness. A missed attempt does not let the receiver reopen that question after seeing the result.
Consider a receiver still adjusting their grip when the server starts. Not attempting a return leaves a readiness issue for the official. Swinging at the shuttle and then saying “I was not ready” runs into the express rule. The server also cannot exploit that distinction by causing undue delay once both players are ready.
A damaged feather is not the stated disintegration test
Law 14.2.4 addresses a shuttle breaking apart so that its base completely separates from the rest. It does not say every damaged feather retrospectively cancels a rally.
That is a useful threshold because shuttle wear is gradual. A player may want a replacement shuttle between rallies without there having been a let in the rally just completed. Equipment condition and whether play should be erased are different questions.
An unsighted line judge does not always force a replay
A let applies when the line judge is unsighted and neither the umpire nor the Instant Review System can decide. If another authorised route can resolve the call, the missing view alone does not require replaying it.
That is also why a shuttle landing near a line on the badminton court is not a let merely because both players disagree. Uncertainty has to be handled through the officiating procedure. Law 17 assigns responsibility for line decisions, overrules and reviews.
Reset the rally, not the match
When a let is called, the previous score and server remain. There is no consolation point for the side that looked likely to win before the interruption, and no change of service based on that unfinished rally.
For example, at 12-10 a qualifying trapped shuttle after the return leaves the score at 12-10. The same player serves again from the same appropriate service court. The interruption has cancelled one rally; it has not corrected an unrelated earlier scoring or service-order mistake.