LBW explained: when is a batter out leg before wicket?
Three questions decide every lbw: where the ball pitched, where it hit, and whether it would have hit the stumps.
How DRS works: reviews, ball-tracking and umpire’s call
Players have 15 seconds to challenge a decision. Here’s what happens next.
How the ATP and WTA rankings work
A rolling 52-week points race, and why players talk about defending points.
No-balls and free hits, explained
Overstep in white-ball cricket and the batter gets a delivery they can’t be caught or bowled from.
Hard, clay and grass: why each Grand Slam plays differently
The four majors are played on three surfaces, and each rewards a different game.
How a super over works
One over each, two wickets at most, and another super over if it’s still level.
Love, deuce and advantage: tennis scoring explained
From points to games to sets, the scoring system in plain English.
The World Test Championship, explained
Nine teams, a two-year cycle, a points percentage table and a one-off final.
Strike rate, economy and average: cricket stats explained
The numbers on every scorecard, and what each one actually tells you.
Electronic line calling: why line judges are disappearing
Cameras now call the lines at most big events, including Wimbledon since 2025.
Retired hurt or retired out? The difference explained
One lets a batter come back later. The other counts as a dismissal.
How concussion substitutes work in cricket
Like-for-like replacements have been allowed in international cricket since 2019.