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Badminton · Laws of Badminton

Law 3: Testing a Shuttle for Speed

1 parts · 1 tests · 10 facts · updated 29 October 2026 · markdown

The speed test: the stroke, where and how the shuttle is hit, and the landing zone that shows a shuttle of correct speed.

3.31The Speed Test

The full underhand stroke from over the back boundary line and the 530-990 mm landing zone.

Test 1How a shuttle is tested for speed and how the result is readTake a test

  1. The tester uses a full underhand stroke.

    Source: BWF Laws 2027, Law 3.1 · recall

  2. Contact is made with the shuttle over the back boundary line.

    Source: BWF Laws 2027, Law 3.1 · recall

  3. The shuttle is hit in a direction parallel to the side lines.

    Source: BWF Laws 2027, Law 3.1 · recall

  4. The shuttle is hit at an upward angle.

    Source: BWF Laws 2027, Law 3.1 · recall

  5. A shuttle of correct speed lands between 530 and 990 mm short of the other back boundary line.

    Source: BWF Laws 2027, Law 3.2 · applied

  6. Correct speed lands at least 530 mm short; 400 mm short means it carried too far.

    Source: BWF Laws 2027, Law 3.2 · applied

  7. Law 3.2 sets the zone: no nearer than 530 mm to that line and no farther than 990 mm from it.

    Source: BWF Laws 2027, Law 3.2, Diagram B · recall

  8. Contact over the back boundary line, an upward underhand hit parallel to the side lines, then the landing is measured short of the far back boundary line.

    Source: BWF Laws 2027, Law 3.1, 3.2 · applied

  9. The testing marks of Diagram B sit 530 mm and 950 mm in; the doubles long service line lies between them at 0.76 m.

    Source: BWF Laws 2027, Law 3.2, Diagram B · applied

  10. Landing more than 990 mm short of the far back boundary line means the shuttle is too slow.

    Source: BWF Laws 2027, Law 3.2 · applied

Sources

BWF Laws of Badminton, V6.0 in force 4 January 2027, Law 3 and Diagram B (paraphrased in original wording; original questions authored from the Laws, not reproduced)

  • BWF Laws 2027, Law 3.14
  • BWF Laws 2027, Law 3.23
  • BWF Laws 2027, Law 3.2, Diagram B2
  • BWF Laws 2027, Law 3.1, 3.21