A defender drags down a striker 30 yards from goal. Yellow card or red? The crowd screams "off!" the away end screams "never!" โ and what determines the right answer is whether the foul meets four specific conditions IFAB has spelled out in writing. Most fans don't know they exist. Plenty of referees apply them inconsistently. And the difference between a yellow and a red is the difference between losing a player for 10 minutes or losing a player for 70 plus a one-match ban.
This is the DOGSO vs SPA decision. It's the most-misapplied judgement in Law 12 โ and once you know IFAB's four-question test, you'll spot the right answer faster than the on-field ref does.
The two acronyms, plainly
DOGSO โ Denying an Obvious Goal-Scoring Opportunity. The defender stopped what was almost certainly going to be a goal. The Laws of the Game prescribe a red card and a free kick (or penalty if inside the area).
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Analyze a play free โ 25 free credits ยท no card requiredSPA โ Stopping a Promising Attack. The defender stopped an attack that could have led to something good, but wasn't already a near-certain goal. The Laws prescribe a yellow card.
The English-language SERP is full of "definition" articles for these two acronyms. What's almost never explained: the specific four-part test IFAB requires referees to apply before choosing.
IFAB's four-question DOGSO test
Law 12 lays out four "considerations" that all must be true for a foul to qualify as DOGSO. From IFAB:
"Where a player denies the opposing team a goal or an obvious goal-scoring opportunity, the following must be considered:
- distance between the offence and the goal
- general direction of the play
- likelihood of keeping or gaining control of the ball
- location and number of defenders"
If even one of those four points fails, it's not DOGSO โ it's SPA at most. That's the test. Memorise it.
1. Distance to goal
Inside the penalty area? Almost certainly DOGSO-distance.
30 yards out with the ball going wide? Almost certainly not.
The further from goal, the less "obvious" the chance, the more likely SPA wins.
2. Direction of play
Is the attacker actually moving toward goal? A striker peeling to the corner flag with the ball is not in a DOGSO position even five yards out โ the direction of play is away from the goal-scoring zone. This is where commentators frequently get it wrong: they see "close to goal" and assume DOGSO without checking the geometry.
3. Likelihood of keeping or gaining control of the ball
The attacker must be in control or about to be. A through-ball still 15 yards from the attacker's foot is not yet "in control" โ if the defender catches it before the attacker does, no DOGSO. A loose ball bouncing wildly is not "controlled."
4. Location and number of defenders
This is the killer. If a second defender is in position to make a credible covering tackle, the goal-scoring opportunity is no longer "obvious" โ there's a defender between the attacker and the goal who could plausibly stop the chance anyway. Most marginal DOGSO calls are mis-judged on this fourth point.
A foul that fails any one of these four = SPA, not DOGSO. Yellow card.
The "double jeopardy" downgrade โ when red becomes yellow inside the box
Until 2016, any DOGSO in the penalty area earned a penalty and a red card. That was "triple punishment" โ the offending team lost a player, gave away a penalty, and conceded a suspension. IFAB judged it disproportionate when the foul was a genuine attempt at the ball.
The current rule (Law 12, post-2016):
"Where a player commits an offence against an opponent within their own penalty area which denies an opponent an obvious goal-scoring opportunity and the referee awards a penalty kick, the offender is cautioned [yellow], unless: the offence is holding, pulling or pushing, or the offender does not attempt to play the ball or there is no possibility for the player making the challenge to play the ball, or the offence is one which is punishable by a red card wherever it occurs on the field of play."
In plain English: if a defender genuinely goes for the ball inside the box and accidentally denies a goal-scoring opportunity, the penalty + yellow is enough โ no red. But pull a shirt, shove, hold, or just hack down the attacker without trying to play the ball? Red card still applies. The downgrade only protects honest tackles.
This is why you'll see two near-identical-looking incidents earn different cards. The video reveals whether the boot came in for the ball or for the man.
Two worked examples
Example A โ Clear DOGSO red card
A counter-attack. Striker 25 yards out, ball at feet, one defender chasing back five yards behind, no other defenders between the striker and goal, keeper marginally off his line. The chasing defender grabs the striker's shirt to pull him down.
- Distance: 25 yards, decreasing rapidly โ pass โ
- Direction: straight at goal โ pass โ
- Control: ball at feet โ pass โ
- Defenders: keeper only โ pass โ
- It's a shirt-pull (holding) โ and outside the area โ so the downgrade doesn't apply.
Verdict: DOGSO red card.
Example B โ Should be SPA yellow
Same speed, same situation, but the striker has just received the ball at the halfway line and there are two recovering defenders between the foul location and goal.
- Distance: 50 yards โ fail โ
Stop there. Even if the other three pass, this is SPA. Yellow.
Why VAR rarely overturns DOGSO calls
VAR operates on a "clear and obvious error" threshold. DOGSO is judgement-heavy: reasonable observers can disagree on the four considerations, especially "likelihood of keeping control" and "defender coverage." VAR will overturn:
- A clear factual error (wrong defender named, wrong location)
- A blatant misapplication (red for a clear SPA, or vice versa)
It will not overturn a borderline call where the on-field ref's reading is defensible. So when you see VAR "wave through" a controversial DOGSO/SPA call, the booth isn't agreeing โ they're just refusing to overrule a defensible judgement.
Why this matters more than fans realise
DOGSO/SPA is the single biggest source of late-game match-altering disagreement. A red card flips a tied match. A wrongly-given red can hand a title race. And because the four-question test is specific but interpretive, this is exactly the kind of decision where AI grounded in the actual IFAB clauses adds real value โ you can apply the four conditions in seconds and see whether the on-field call satisfies them.
Got a controversial DOGSO/SPA call from your team's weekend match? Upload it. The AI walks through all four conditions, cites the clause, and tells you whether the colour of the card was justified. First 20 credits free, no card required.
OURVAR.AI is an independent AI Video Assistant Referee. Frame-by-frame reasoning, IFAB Laws cited, confidence rating on every verdict.