Offside Rule in Soccer
Offside is one of the most misunderstood rules in soccer because being in an offside position is not automatically an offence.
A player is penalized only when the player is in an offside position at the relevant moment and then becomes involved in active play in one of the ways described by Law 11.
The simple version
At the moment a teammate plays or touches the ball, ask:
- Is the attacker in the opponents' half?
- Is part of the attacker's head, body or feet nearer the opponents' goal line than both the ball and the second-last opponent?
- Does the attacker then become involved in active play?
If the answer to all required conditions is yes, the referee may penalize offside.
What counts as an offside position?
A player is in an offside position when a playable part of the head, body or feet is:
- in the opponents' half, excluding the halfway line; and
- nearer the opponents' goal line than both the ball and the second-last opponent.
Hands and arms are not used to judge offside.
A player level with the second-last opponent is not in an offside position.
Why "last defender" is misleading
People often say:
"He was behind the last defender."
The law uses the second-last opponent, not "last defender."
Usually the goalkeeper is one of the final two opponents, which makes the phrase seem to work. But a goalkeeper can leave the goal, so the actual position of all opponents matters.
The moment offside is judged
Position is judged when the ball is played or touched by a teammate.
Do not wait until the attacker receives the ball.
An attacker can start in an onside position, run beyond the defense after the pass, and remain legal.
Interfering with play
The clearest offence occurs when an offside-positioned player plays or touches the ball passed or touched by a teammate.
Interfering with an opponent
A player can also be penalized without touching the ball.
Examples include:
- blocking an opponent's line of vision;
- challenging an opponent for the ball;
- clearly attempting to play a nearby ball when that action affects an opponent;
- making an obvious action that clearly affects an opponent's ability to play the ball.
This is why an attacker standing in front of the goalkeeper can matter.
Gaining an advantage
An offside-positioned player can be penalized after the ball rebounds or deflects from:
- the goalpost;
- crossbar;
- match official;
- an opponent;
- an opponent's save.
The exact Law 11 wording matters when distinguishing a rebound/deflection/save from an opponent deliberately playing the ball.
Deliberate play by a defender
A defender deliberately playing the ball can reset offside in situations covered by Law 11.
But not every touch is a deliberate play.
A reflex deflection or save does not automatically reset the situation.
When teaching players, avoid the myth:
"A defender touched it, so offside is cancelled."
The quality and nature of the defender's action matters.
No direct offside offence from three restarts
A player cannot be penalized for receiving the ball directly from:
- a goal kick;
- a throw-in;
- a corner kick.
Offside can apply after a teammate subsequently plays the ball.
Can you be offside in your own half?
No.
A player must be in the opponents' half to be in an offside position.
The halfway line itself does not count as the opponents' half for this test.
Can you be offside from a backward pass?
The direction of the pass is not the rule.
If the receiver is behind the ball, the receiver is not nearer the goal line than the ball, so the player is not in an offside position.
A ball can travel backward while an offside-positioned teammate still becomes involved in a different situation, so teach the position test rather than "backward passes are always safe."
Passive offside
"Passive offside" is common language, not the main wording of Law 11.
It usually means a player is in an offside position but is not becoming involved in active play.
The player is therefore not penalized merely for standing there.
Example 1: legal run behind
The winger is level with the second-last opponent when the midfielder plays the pass.
The winger then accelerates beyond the defense and receives the ball.
Decision: onside.
The important moment was the pass, not the reception.
Example 2: too early
The striker is already beyond the second-last opponent and the ball when the teammate plays the pass.
The striker receives it.
Decision: offside offence.
Example 3: player does not touch the ball
An attacker in an offside position stands directly in the goalkeeper's line of vision while a teammate shoots.
Whether the player is penalized depends on whether the attacker's action/position interferes with the opponent under Law 11.
Example 4: throw-in
An attacker stands behind the defensive line and receives a throw-in directly.
Decision: no offside offence from the throw-in itself.
What is the restart?
After an offside offence, the defending team receives an indirect free kick from the place specified by Law 11 for the offence.
Offside for youth soccer
Small-sided youth competitions may modify whether offside applies or how the field is marked.
Parents and coaches should use the local competition rules for U8/U9/U10/U11 games.
See:
Assistant referee signal
The assistant referee raises the flag to communicate an offside offence to the referee.
See Soccer Linesman / Assistant Referee Signals.
Five offside myths
"You cannot be offside if you did not touch the ball."
False. Interfering with an opponent can be enough.
"Any defender touch cancels offside."
False. Law 11 distinguishes deliberate play from rebounds, deflections and saves.
"The goalkeeper is always the last defender."
Not necessarily.
"You cannot be offside from a backward pass."
Pass direction is not the test.
"Standing offside is automatically a foul."
False. Offside position alone is not an offence.
Quick checklist
At the teammate's touch:
- opponents' half?
- beyond the ball?
- beyond the second-last opponent?
- then involved in active play?
That sequence solves most offside questions.