70/30

What This Is

70/30 — also widely known as 80/20 — is the asymmetric leg entanglement where one player has dominant inside space and hip control while the other player has a residual entanglement. The percentages name the positional share: the 70% player controls the dominant share of the position; the 30% player retains a partial entanglement but has no realistic submission threat and severely limited escape resources.

From 70/30, the advantaged player has access to the inside heel hook, outside heel hook, kneebar, and Z-lock. The breadth of submission options makes this the highest-threat position in the leg entanglement family short of cross ashi — and unlike cross ashi, the multi-submission picture is more difficult to defend against because the defender cannot over-commit to blocking a single attack. Understanding 70/30 is an Advanced-level study because it requires a foundation in 50/50, backside 50/50, and outside ashi before its mechanics become legible.

We cover defence first. Understanding what is being done to you is the prerequisite for using this technique responsibly. In 70/30, the 30% player faces simultaneous threats from multiple submissions with reduced defensive resources. Tap early when position is identified — do not wait for a specific submission to develop.

The Invariable in Action

In 70/30, the inside space advantage is heavily asymmetric. The 70% player has dominant inside space — their hip is fully in the inside space and the opponent’s hip has been displaced. This degree of inside space control is qualitatively different from the competitive inside space of 50/50 and the moderate asymmetry of backside 50/50. The 70% player does not need to fight for inside space — they have already won it substantially. The battle in 70/30 is choosing which submission to attack first.

INV-LE02 in 70/30 creates the multi-submission picture that defines the position’s threat level. When both heels are accessible, the defender must choose which to protect. This choice exposes the other. A practitioner who understands this structural reality attacks the exposed heel after the defender commits to protecting the other one — the same principle as single-leg takedowns against double-leg defence.

Hip control asymmetry is the defining characteristic of 70/30 — not a secondary feature. The 70% player has dominant hip position; the 30% player has no meaningful counter-claim to inside space. This distinguishes 70/30 from backside 50/50 (where both players have some hip claim) and from outside ashi (where the entanglement is non-mutual). In 70/30, inside space is not contested — it is owned. The 70% player selects the attack angle; the 30% player can only attempt to survive.

Defence and Escape

Four universal escape principles apply. In 70/30, the 30% player’s defensive situation is the most constrained of any non-cross-ashi leg entanglement. Escape is possible but technically demanding. The same belly-down principles that apply to outside ashi are the starting point.

Escape Principles

1. Hide the heel — both heels. In 70/30, both heels are accessible. The defender cannot fully hide both simultaneously. The priority is the heel that the attacker is currently targeting — read the attacker’s shoulder alignment and grip to identify this. Then hide that heel first.
2. Clear the knee line. The knee line has been significantly crossed by the 70% player’s dominant hip control. Clearing it requires the belly-down escape sequence — the same technique as outside ashi, modified for the deeper entanglement.
3. Use the secondary leg. The secondary leg is partially available. Its leverage is reduced compared to standard ashi. Post it on the opponent’s hip or near shoulder to create partial separation during the escape sequence.
4. No bridging into heel hooks. Bridging in 70/30 with a heel hook grip applied is particularly dangerous because multiple submission angles are available. Identify the rotation direction before any movement. Tap if rotation has begun.

Escape Mechanics

The primary escape from 70/30 follows the same belly-down principles as outside ashi garami. Hide the targeted heel. Turn toward the entangled leg. Post and drive to belly-down. Extract from belly-down. The additional challenge in 70/30 is that the attacker’s deeper hip control makes the turn harder to initiate — more driving pressure from the secondary leg and hand posting is required to generate the space for the turn. The asymmetry means the defender has fewer tools than in standard outside ashi, so each tool must be used with greater precision.

Why Escapes Fail

Escapes fail in 70/30 primarily because the hip control is too deep for the standard belly-down turn to generate enough space. The defender attempts the turn but cannot complete it because the 70% player’s hip blocks the rotation. In this case, the defender must accept that they are in the position and tap early rather than continuing to struggle against a structurally superior hold. The second failure mode is heel exposure during the escape — turning the wrong direction exposes both heels to the attacker’s grips.

Counter-Offensive Options

Counter-offensive options from 70/30 are limited for the 30% player. The most realistic counter is a well-executed belly-down escape that transitions into a body lock pass or leg drag. Attempting a counter-submission from 70/30 while the attacker has dominant hip control is unlikely to succeed and increases the defender’s submission exposure. Exit first; counter second.

Entering This Position

From 50/50 — Positional Advancement

The most common path to 70/30 is advancing from 50/50 through aggressive inside space competition. One player pushes their hip deeper into the inside space while maintaining entanglement, transitioning from the symmetric 50/50 relationship to the asymmetric 70/30. This requires winning the inside space battle decisively — not just partially, as in backside 50/50, but to the point where the opponent’s hip has been pushed out of the inside space entirely.

From Outside Ashi Garami — Deep Advance

From outside ashi, when the attacker advances their hip further into the inside space while maintaining the outside leg geometry, the position can shift toward 70/30 if the opponent counter-entangles partially but is unable to establish symmetric 50/50. This produces the asymmetric 70/30 relationship from an outside ashi starting point.

From Ashi Garami — Positional Advancement

From standard ashi garami, a player who wins inside space decisively — while the opponent partially counter-entangles but cannot achieve symmetric 50/50 — can arrive in a 70/30 configuration. This is less common than the 50/50 path but arises when the ashi garami attacker has significantly better hip connection than the defending/counter-entangling player.

From This Position

Submissions and transitions available from 70/30.

Common Errors

Error: Attacker — choosing a single submission before the defender commits to defending it.

Why it fails: The advantage of 70/30 is the multi-submission picture. Committing to a specific submission before reading the defender’s response removes this advantage and allows the defender to concentrate their defence.

Correction: Wait for the defender to commit to protecting one submission — their body alignment will telegraph this. Then attack the other. The sequence is: present the threat; read the response; attack the opening.

Error: Attacker — allowing the hip to drift back out of dominant inside space.

Why it fails: If the dominant inside space is lost, the position degrades toward backside 50/50 or symmetric 50/50. The multi-submission picture collapses.

Correction: Drive the hip forward actively. The 70/30 position requires continuous hip pressure — it is not a locked position that maintains itself.

Error: Defender — attempting counter-submission from 70/30 before exiting.

Why it fails: The 30% player’s counter-submission attempts are unlikely to succeed and expose their own position further. The attacker has dominant hip control and can redirect to a different submission during the counter attempt.

Correction: Exit first. Attempt counter-offensive moves only from a neutral position after the escape is complete.

Error: Defender — bridging without identifying the rotation direction.

Why it fails: In 70/30, multiple submission angles are available. Bridging in any direction risks completing one of them. In cross ashi, bridging is clearly defined as completing the inside heel hook. In 70/30, bridging could complete either the inside heel hook, outside heel hook, or kneebar depending on the exact configuration.

Correction: Do not bridge when the attacker has any grip on the foot or heel. Identify the rotation direction — or tap — before any movement that might complete a submission.

Drilling Notes

Ecological Approach

Constrained game: Both players start in 50/50. The 70% player’s task is to advance to 70/30 and hold the position or finish. The 30% player’s task is to prevent the advance or execute the belly-down escape after 70/30 is established. This game implicitly trains the 50/50-to-70/30 advancement, which is the core entry skill. No submissions for Phases 1–3.

Systematic Approach

Phase 1 — Cooperative 70/30 establishment. Defender cooperates with the attacker’s advancement from 50/50 to 70/30. Attacker drills the hip drive sequence. Invariable checkpoint: is dominant inside space achieved — opponent’s hip pushed out? (INV-LE01 dominant)

Phase 2 — Cooperative multi-submission presentation. From established 70/30, attacker practises presenting inside heel hook threat, then shifting to outside heel hook, then to kneebar. Defender cooperates. Invariable checkpoint: do all three submission angles sit on the natural force line from this hip position? (INV-LE05)

Phase 3 — Active resistance. Defender actively attempts the belly-down escape. Attacker maintains position and adjusts submission angle as the defender moves. Invariable checkpoint: does dominant inside space maintain the multi-submission picture under active resistance? (INV-LE02)

Phase 4 — Live. Full training. Tap early and release immediately.

Ability Level Notes

70/30 is an Advanced-level position because accessing it requires winning a live inside space battle from 50/50 under pressure. The multi-submission presentation requires mechanical understanding of all three submission types (inside heel hook, outside heel hook, kneebar) before the decision-making layer of 70/30 can be developed. Ensure all prerequisite positions and submissions are at Proficient level before addressing 70/30 specifically.

Ability Level Guidance

Ruleset Context

The 70/30 position itself is legal in all major competitive formats. The inside and outside heel hooks, kneebar, and Z-lock available from this position may be restricted depending on the ruleset and division. Inside heel hooks are restricted in IBJJF No-Gi at lower belt levels. Kneebars have their own restriction tables in various formats. Confirm the specific rules of your event for each submission.

Also Known As

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