LBW in Cricket: The Complete Guide to Law 36
A full explanation of the Leg Before Wicket rule — the five conditions required, 'umpire's call' in DRS, ball-tracking technology, and why LBW remains cricket's most debated dismissal.
The Five Conditions for LBW
Under Law 36, ALL of the following must be met: (1) The delivery must be legal (no no-ball). (2) The ball must not have struck the bat before the pad. (3) The impact must be in line with the stumps, OR the batsman offered no shot and impact is outside off stump. (4) The ball must be going on to hit the stumps. (5) The impact must not be outside leg stump. If any one condition fails, the batsman cannot be given LBW.
Umpire's Call in DRS
'Umpire's Call' is the zone where ball-tracking's predicted stump impact is within the margin of error — part of the ball would hit, part would miss. If the original decision was not-out, an LBW review showing Umpire's Call maintains the not-out. This asymmetry is deliberate: it upholds on-field authority when technology cannot conclusively contradict it.
Frequently asked questions
What does 'plumb LBW' mean?
'Plumb LBW' describes a dismissal that clearly meets all five criteria with zero ambiguity — the ball pitches in line, hits the pad in line, and is clearly going on to hit the stumps. The word derives from a plumb line (builder's vertical alignment tool). Used in contrast with 'marginal LBW' where DRS shows Umpire's Call.