The Uchi Mata (inner thigh throw) is one of judo’s most powerful and versatile throwing techniques, highly effective in both gi and no-gi grappling. Translated as ‘inner thigh reap,’ this technique involves using your inner thigh to sweep your opponent’s supporting leg while simultaneously rotating them over your hip. The Uchi Mata is particularly effective against taller opponents or those who stand upright in the clinch, as it exploits their high center of gravity. When executed properly, this throw generates tremendous force and typically results in a direct transition to side control or mount, making it one of the highest-percentage scoring techniques in BJJ competition. The technique requires precise timing, proper kuzushi (off-balancing), and coordinated hip and leg movement. Unlike some throws that rely purely on strength, Uchi Mata is a technical throw that uses rotational momentum and leverage to amplify your power. Its effectiveness has made it a staple in the arsenals of many high-level BJJ competitors who incorporate judo into their standing game.
From Position: Clinch (Top) Success Rate: 60%
Possible Outcomes
| Result | Position | Probability |
|---|---|---|
| Success | Side Control | 70% |
| Failure | Clinch | 20% |
| Counter | Clinch | 10% |
Attacker vs Defender
| Attacker | Defender | |
|---|---|---|
| Focus | Execute technique | Prevent or counter |
| Key Principles | Break opponent’s posture and balance before attempting the t… | Deny dominant grips early through active hand fighting - the… |
| Options | 7 execution steps | 4 defensive options |
Playing as Attacker
Key Principles
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Break opponent’s posture and balance before attempting the throw - kuzushi must precede entry
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Use rotational hip movement to generate throwing power rather than muscular pulling
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Sweep the supporting leg with your inner thigh while they’re off-balance forward
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Maintain strong grips throughout the entire throwing motion to control opponent’s trajectory
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Commit fully to the rotation to ensure proper follow-through once entry is initiated
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Control the descent to land in dominant position rather than simply achieving the takedown
Execution Steps
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Establish dominant grips: Secure a high collar grip with your right hand (for right-sided throw) and control the left sleeve o…
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Break opponent’s posture with kuzushi: Pull downward and forward with your collar grip while simultaneously pushing or pulling with your sl…
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Step in with entry foot: Step your right foot deep between your opponent’s legs, placing it slightly to the outside of their …
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Rotate hips and load opponent onto your hip: Rotate your hips clockwise (for right-sided throw) while simultaneously pulling your opponent onto y…
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Execute inner thigh sweep: Drive your left leg upward and backward in a sweeping arc, making contact with the inside of your op…
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Complete rotation and control descent: Continue rotating your upper body clockwise while pulling your opponent over your hip with your grip…
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Establish top position immediately on landing: As your opponent lands on their back, immediately establish chest-to-chest pressure and secure side …
Common Mistakes
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Insufficient kuzushi before attempting throw
- Consequence: Opponent maintains their balance and base, making the throw impossible to complete. You expend energy without achieving the takedown and may expose yourself to counter-attacks.
- Correction: Always break your opponent’s posture first with deliberate pulling and pushing actions. Wait for them to feel off-balance before stepping in. Practice kuzushi drills separately to develop this sensitivity.
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Stepping too shallow with entry foot
- Consequence: Your hip doesn’t make proper contact with their hip, eliminating the leverage point needed for the throw. The technique becomes a weak pulling motion instead of a powerful hip throw.
- Correction: Step deep between their legs, almost to the point where your right foot is outside their right foot. Your hip should collide with theirs. Drill the entry step repeatedly to develop muscle memory.
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Sweeping with the outer thigh instead of inner thigh
- Consequence: This transforms the technique into a different throw (Harai Goshi) that requires different body mechanics. The intended Uchi Mata mechanics fail and the throw loses effectiveness.
- Correction: Focus on lifting your knee high and sweeping backward with the inside of your thigh. The contact point should be the meaty part of your inner thigh against their inner thigh, not your outer thigh against their outer thigh.
Playing as Defender
Key Principles
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Deny dominant grips early through active hand fighting - the throw cannot succeed without strong upper body control
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Maintain low hip position and avoid standing upright in the clinch, keeping your center of gravity below the attacker’s hip line
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Recognize the entry step and react immediately - every fraction of a second of delay reduces your defensive options
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Keep your hips away from the attacker’s hip to eliminate the fulcrum point required for the throw
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Never allow your weight to shift forward onto your lead leg without defensive awareness, as this loads the target leg for the sweep
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When caught mid-throw, commit to one defensive response rather than freezing between options
Recognition Cues
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Attacker pulls you sharply forward and downward with their collar or head grip, attempting to break your posture and load your weight onto your front leg
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Attacker steps their lead foot deep between your legs or slightly outside your lead foot, closing the distance for hip contact
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Attacker’s hips begin rotating toward you with their back turning to face your chest, indicating they are loading the throw
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You feel your weight being pulled onto one leg while the attacker’s grip tightens and their body squares up then turns away
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Attacker lifts their rear leg off the ground in preparation for the sweeping motion against your inner thigh
Defensive Options
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Hip sprawl - drive your hips backward and away from the attacker the moment you feel the entry step - When: As soon as you recognize the attacker stepping in or feel their hip approaching yours. This is the highest-percentage defense when timed early.
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Post wide with your outside leg and circle away from the throwing direction to remove the target leg from the sweep path - When: When you feel the kuzushi pulling you forward but the attacker has not yet made full hip contact. Step your outside leg wide and circle away from their rotation.
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Counter-throw with Uchi Mata Sukashi (void throw) by pulling your target leg back and redirecting the attacker’s momentum - When: When the attacker is mid-rotation and has committed to the throw but has not yet made strong contact with your inner thigh. Requires precise timing.
Position Integration
Uchi Mata serves as a fundamental cornerstone of an effective standing game in Brazilian Jiu-Jitsu, bridging the gap between traditional judo-based throwing systems and modern BJJ positional strategies. Unlike guard pulls that concede top position, Uchi Mata allows you to dictate where the match takes place by forcefully putting your opponent on their back while you land in a dominant position. This technique integrates seamlessly into the BJJ positional hierarchy because successful execution typically results in side control or mount, the two highest-value positions in sport BJJ. Within a complete grappling system, Uchi Mata works best when chained with complementary throws: use it in combination with Osoto Gari, Kouchi Gari, and Ippon Seoi Nage to create a diverse standing attack system where each throw sets up another. The technique also serves as an excellent counter to opponents who attempt to pull guard, as you can catch them mid-motion and complete the throw while they’re off-balance. The position is particularly valuable in competition formats that reward takedowns heavily (IBJJF awards 2 points) and allows you to begin the match actively working toward a submission rather than playing defensively from bottom.