An offside call in football means an attacking player was in an offside position and became involved in active play. Simply standing beyond the defenders is not enough; the player must also be in the opponents’ half and ahead of both the ball and the second-last opponent when a teammate plays the ball.
This guide explains how referees judge the position and the player’s involvement, what happens after a whistle, and which situations are exceptions. Clear examples will help you tell an offside offense from a close but legal run.
What is an offside call in football?
An offside call is made when a player commits an offside offense after being in an offside position at the moment a teammate plays or touches the ball. The position alone is not an offense. The player must become involved in active play in one of the ways set out in the Laws of the Game.
To be in an offside position, a player must meet all three of these conditions when the ball is played by a teammate:
- Some part of the player’s head, body, or feet is in the opponents’ half of the field. The halfway line itself does not count as the opponents’ half.
- Some part of the player’s head, body, or feet is nearer to the opponents’ goal line than the ball.
- Some part of the player’s head, body, or feet is nearer to the opponents’ goal line than the second-last opponent.
Hands and arms do not count for any player, including the goalkeeper. For this rule, the boundary of the arm is the bottom of the armpit. A player is level, and therefore not in an offside position, if they are even with the second-last opponent or the ball.
The second-last opponent is not always the goalkeeper. If the goalkeeper has moved upfield, another defender may be the last opponent, and the goalkeeper may be the second-last. Referees count opponents, not just defenders, and the goalkeeper is treated like any other opponent when judging position.
How the referee judges an offside offense
The referee or assistant referee checks two separate things: the player’s position when the teammate plays the ball, and what the player does afterward. Both matter. A player can be in an offside position without being penalized if they stay out of the action.
First, judge the moment the ball is played
The position is assessed when a teammate plays or touches the ball, not when the attacker receives it. A forward can begin a run before a pass, but the key comparison is made at the instant the teammate makes contact. If the attacker was onside at that moment, a later run beyond defenders does not make the player offside for that pass.
For a pass that takes time to travel, the attacker’s position at the start of the pass is what matters. The player may be closer to the goal by the time the ball arrives. That does not change the original position assessment.
Next, decide whether the player became involved
A player in an offside position is penalized only if they become involved in active play. This can happen in three broad ways:
- Interfering with play: The player plays or touches the ball passed or touched by a teammate.
- Interfering with an opponent: The player affects an opponent’s ability to play the ball. Examples can include blocking the opponent’s line of vision, challenging them for the ball, or making an obvious action that clearly affects their ability to play it.
- Gaining an advantage: The player plays the ball or interferes with an opponent after the ball rebounds or deflects to them from an opponent, or after a deliberate save.
Being nearby does not automatically mean a player interfered with an opponent. The official must judge whether the player’s position or action actually affected the opponent. That distinction matters when an attacker is standing near a shot but does not touch the ball or obstruct anyone.
Offside position versus an offside offense
These terms describe different parts of the decision. Offside position is the player’s location at the relevant moment. An offside offense occurs only when a player in that position becomes involved in active play. That is why a flag may stay down even when an attacker appears beyond the defensive line.
| Situation | Offside position? | Likely decision | Why |
|---|---|---|---|
| Attacker is level with the second-last opponent when the pass is made | No | Play on | A level position is not offside. |
| Attacker is beyond the second-last opponent but does not affect play | Yes | Play on | Position alone is not an offense. |
| Attacker is beyond the second-last opponent and receives a teammate’s pass | Yes | Offside offense | The player becomes involved by playing the ball. |
| Attacker is in their own half when the pass is made | No | Play on | A player cannot be in an offside position in their own half. |
| Attacker receives the ball directly from a throw-in | Not penalized for offside | Play on | There is no offside offense directly from a throw-in. |
| Attacker touches a ball that rebounds from a deliberate save | May have been in an offside position | Offside offense may apply | A save does not reset the offside situation. |
The table gives common outcomes, but the official still has to assess the exact position, timing, and involvement. Small differences in when a pass is played or whether an opponent deliberately controlled the ball can change the decision.
When offside does not apply
The Laws of the Game list three restarts from which a player cannot be penalized for receiving the ball directly: a goal kick, a throw-in, and a corner kick. For example, an attacker may stand behind the defensive line and receive a direct throw-in without an offside offense.
The exception applies only to the player who receives the ball directly from that restart. If a teammate touches or plays the ball afterward, the usual offside test applies at that next touch. This detail can matter during a crowded corner or a long throw, when a second attacker moves toward the ball after the first player redirects it.
A player also cannot be in an offside position while in their own half. If they are on the halfway line, they are not yet in the opponents’ half for this rule. Once the ball is played, however, the player can run forward to collect it if they were onside at that moment.
How rebounds, deflections, and deliberate plays change the call
A common source of confusion is whether a touch by a defender gives an attacker a fresh chance to receive the ball. The answer depends on the kind of touch. A defender’s accidental deflection does not generally reset the offside situation. A deliberate play of the ball by an opponent can reset it, subject to the exception for a deliberate save.
A rebound or deflection usually does not reset the situation
If a pass is heading toward an attacker in an offside position and a defender merely deflects it, the original pass still matters. The attacker may be penalized if they then play the ball or otherwise become involved. A deflection is not the same as a defender deliberately playing the ball under control.
A ball that rebounds from the goalpost, crossbar, or an opponent can also lead to an offside offense if a player who was in an offside position takes advantage of it. The key is that the attacker’s position was judged when the teammate last played the ball.
A deliberate play by an opponent can reset the situation
If an opponent deliberately plays the ball and it then reaches an attacker, the attacker’s earlier offside position is generally not carried forward. The official judges a new phase based on the opponent’s deliberate play. A deliberate play means the opponent had an opportunity to control or play the ball, rather than simply being struck by it unexpectedly.
Officials consider the circumstances, such as whether the ball traveled from a distance, its speed and direction, whether the player could see it, and how much time the player had to coordinate their movement. The fact that a defender touched the ball is not enough by itself to establish a deliberate play.
A deliberate save does not reset the situation
If a defender or goalkeeper makes a deliberate save to stop or attempt to stop a ball going into or very close to the goal, an attacker in an offside position can still be penalized for playing the rebound. A save is treated differently from an ordinary deliberate play because it is an attempt to prevent a goal, not a controlled action that resets the phase.
Practical point: Do not assume that any defender’s touch makes an attacker onside. Ask whether the opponent had a real chance to play the ball deliberately, or whether it was a deflection or save.
Common examples that are easy to misread
The attacker is ahead of the ball but level with the defender
The attacker is not in an offside position if no part of their head, body, or feet is nearer the goal line than the second-last opponent. Being ahead of the ball does not settle the decision on its own. The player must be ahead of both the ball and the required opponent.
The attacker is behind the ball when a teammate passes
A player who is behind the ball, or level with it, is not in an offside position, even if there are few or no opponents between that player and the goal. This is why a player can legally pass the ball forward to a teammate who is already near the goal, provided the teammate is not beyond the ball at the relevant moment.
An offside attacker does not touch a cross
If an attacker in an offside position leaves a cross for an onside teammate, the first player is not automatically penalized. The official looks at whether the offside player interfered with an opponent. If they obstruct the goalkeeper’s view or challenge a defender for the ball, an offense may be called. If they simply remain out of the action, play can continue.
A defender steps forward after the pass
Defenders may try to move upfield to leave attackers in an offside position. The judgment is still based on where the attackers and opponents were when the ball was played. A defender stepping forward after that moment does not make an attacker newly offside.
The goalkeeper is out of position
Do not use the goalkeeper as the only reference point. The attacker must be compared with the second-last opponent and the ball. If the goalkeeper has left the goal area, two other opponents may be the relevant pair.
What happens after an offside call?
When an offside offense is given, the opposing team receives an indirect free kick from the place where the offense occurred. An indirect free kick cannot score directly into the goal; the ball must touch another player first. The referee signals the offense, and the assistant referee commonly raises the flag to help indicate it.
The restart location is not necessarily where the attacker stood when the teammate played the ball. It is generally where the attacker became involved in active play, such as where they played the ball or interfered with an opponent. The referee may allow play to continue briefly before stopping it if the attacking team has a promising opportunity and the official is applying advantage.
On close decisions, an assistant referee may delay raising the flag until the attack is complete. This lets play continue if the player may not become involved or if a goal-scoring chance is developing. A later flag does not mean the offside position was judged at a different time; it is a practical way to avoid stopping a potentially legal attack too soon.
Why close calls can look different on a screen
Offside decisions can depend on a fraction of a second and small differences in body position. The relevant point is when the teammate plays or touches the ball, while the relevant body parts exclude the hands and arms. A broadcast camera may not show the exact instant or the best angle, so a replay can appear conclusive without capturing all the information officials use.
In competitions using video assistant referee (VAR) review, the video team can check certain goals and other match-changing decisions under that competition’s procedures. The review may use calibrated lines and synchronized views. Not every competition uses VAR, and the review process does not change the underlying offside test.
A useful viewing habit is to look first at the moment the pass is made, then compare the attacker with the ball and second-last opponent. Only after that should you ask whether the attacker touched the ball or affected an opponent. This two-step check is more reliable than judging from a freeze-frame taken when the ball reaches the player.
How to spot a likely offside decision while watching
- Find the instant the teammate plays the ball. Do not start with the moment the receiver controls it.
- Check the halfway line. If the attacker is in their own half, offside position cannot apply.
- Compare the attacker with the ball and second-last opponent. Ignore hands and arms, and remember that being level is legal.
- Check for active involvement. Look for a touch, a challenge, a blocked line of vision, or another clear effect on an opponent.
- Consider what happened to the ball next. A deliberate play by an opponent may reset the phase; a deflection or save usually does not.
- Check for a restart exception. A player cannot be penalized for receiving the ball directly from a goal kick, throw-in, or corner kick.
This method will not replace the referee’s judgment, especially when an opponent’s action is hard to classify. It does help separate the most common reasons for a call: the attacker’s position, their involvement, and whether the play began from an exception.
Frequent misunderstandings about the rule
- “Any player beyond the defenders is offside.” Not true. The player must be in the opponents’ half, ahead of the ball and second-last opponent, and then become involved in active play.
- “The goalkeeper is the offside line.” Not always. The rule uses the second-last opponent, who may not be the goalkeeper.
- “The attacker’s feet decide the call.” Any eligible part of the head, body, or feet can count. Hands and arms do not.
- “A defender touched the ball, so the attacker is onside.” A deflection or deliberate save does not automatically reset the situation. The nature of the opponent’s action matters.
- “An offside position always means a free kick.” No. The player must commit an offense by becoming involved in active play.
- “A forward pass is always offside.” The direction of the pass does not decide the call. A backward or sideways pass can still lead to an offense if the receiver was in an offside position and becomes involved.
The biggest misconception is that offside is simply a line drawn across the field. It is a moment-by-moment decision that combines position, timing, and involvement. Watching for all three explains why some players can stand past the defensive line without a whistle, while another player may be penalized after a seemingly small touch.
What is an offside call in football? It is a penalty for an attacker who was in an offside position when a teammate played the ball and then became involved in active play. The position alone is not enough, and level positions are legal.
To judge a close play, freeze the action at the moment of the pass, compare the attacker with the ball and second-last opponent, then check for involvement and any restart or rebound exception. That simple sequence clears up most offside decisions.