Reverse Swing
Also known as: reverse swing, late reverse
Reverse swing is a phenomenon where an old, asymmetrically worn ball swings in the opposite direction to conventional swing, deceiving batters conditioned to expect conventional movement.
Conventional swing occurs when the ball is new and the seam is prominent — the ball swings towards the shiny side. After 40 or more overs, if one side is kept shiny and one side is allowed to roughen up, the aerodynamics change. This means the rough side now creates turbulent airflow and the ball swings towards that rough side. This means the opposite direction to conventional swing. This reversal is compounded at higher pace, making it most effective in the hands of skilled fast bowlers. Reverse swing is notoriously hard to pick from the hand, especially. This is because the bowler can keep the ball in the conventional position but swing it the other way. It has been one of the most potent match-winning weapons in Test and one-day cricket when mastered.
Focus first on bowling fast enough and accurately enough with conventional swing — reverse swing is an advanced skill that builds on the same seam-up fundamentals.
Monitor the condition of the ball closely throughout an innings and begin experimenting with reverse swing when the ball is 30–40 overs old and the contrast between the two sides is clearly visible.
Example
With an old ball, the bowler presents it with the rough side forward and swings it back into the right-handed batter late. This means exactly the opposite of what the batter was guarding against. This means to bowl them behind their legs.
Why it matters
Reverse swing is a decisive weapon in the second innings of long-format cricket. SwingVantage's cricket analysis (in development) will study seam presentation and release angle to help bowlers understand and develop this advanced skill.
How it shows up on video
Reverse swing is visible on video as a ball that deviates late and in the opposite direction to that expected from its seam position. This means an old ball held with seam pointing toward leg will swing to the off, defying the conventional prediction. Footage of batters caught by reverse swing shows them playing for conventional movement and being beaten by a late, unexpected deviation in the opposite direction.
Common mistakes
- Not maintaining the ball properly — neglecting to shine one side and roughen the other as required by the Laws
- Bowling reverse swing at the wrong pace — it typically requires 85 mph or above to work reliably
- Using a ball that is not old enough or uneven enough to generate the contrast between sides required for reverse
- Bowling at the wrong angle to the crease, preventing the airflow conditions that drive the reverse movement
In SwingVantage Motion Lab
SwingVantage cricket analysis (currently in development) will model ball flight trajectory from release to the bat to detect late lateral deviation and flag potential reverse-swing episodes for coaching review.
Related terms
- Swing BowlingSwing bowling is making a fast-bowled ball curve sideways through the air. This means toward the batter (inswing) or away (outswing). This means by exploiting the pressure difference created when one side of the ball is shinier than the other.
- In-SwingIn-swing is conventional swing bowling where the ball curves in the air from off to leg (in towards the body of a right-handed batter), often targeting the stumps or pads.
- Out-SwingOut-swing is conventional swing bowling where the ball curves in the air from leg to off (away from the body of a right-handed batter), enticing an edge towards the slip cordon.
- Seam BowlingSeam bowling is a style of pace bowling where the ball is gripped. As a result, the seam is upright and the ball lands on the seam. This causes it to deviate unpredictably off the pitch.
Put this into your swing
SwingVantage can spot this in your own swing — free to start.