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Single Leg X Sweep

Quick Introduction​

Single Leg X Guard (also called ashi garami in leg lock systems) is a position where you control one of your opponent's legs with your entire body: one foot on their same-side hip, the other hooking behind their knee from the outside, with your hands controlling their ankle. From this position, the sweep is almost embarrassingly simple — extend your legs and they fall over. That's why it's nicknamed the "idiot sweep."

But Single Leg X is far more than a sweep position. It's the entry point for modern leg lock systems — heel hooks, kneebars, and toe holds all launch from here. John Danaher's leg lock revolution was built on ashi garami and its variants. Learning to sweep from SLX gives you a complete game: sweep to top if they defend the legs, attack leg locks if they defend the sweep.

Position Overview​

From: Butterfly Guard, X-Guard, K Guard, De La Riva entries | Leads to: Side Control, Mount, Straight Ankle Lock, Heel Hook

Single Leg X Position Fundamentals​

Before sweeping, understand the position structure:

  • Outside foot: Placed on their hip (same side as the trapped leg), toes turned out. This is your primary pushing point.
  • Inside foot: Hooks behind their knee from the outside, heel tight against the back of their knee. This is your primary pulling point.
  • Hands: Both hands control their trapped ankle/foot. Hug it to your chest.
  • Hips: Underneath or slightly to the side of their trapped leg. Close to them, not far away.
  • The principle: Your two feet create opposing forces on the same leg — push at the hip, pull at the knee. This controls their entire balance on that side.

Classic Single Leg X Sweep (The Idiot Sweep)​

  1. Establish Single Leg X: outside foot on their hip, inside foot hooks behind their knee, both hands controlling the ankle tight to your chest
  2. Keep your hips close to their trapped leg — don't drift away
  3. Explosively extend both legs simultaneously: hip foot pushes their hip away, knee hook extends and pulls their knee toward you
  4. At the same time, pull their ankle toward your chest — three forces all break their balance backward
  5. They topple backward over your legs
  6. Immediately sit up and come to top position — don't stay on your back celebrating
  7. Establish side control, knee on belly, or mount

Key detail: The name says it all. This is not a complicated sweep. The power comes from extending both legs at the same time while hugging the ankle. If you're struggling, your foot placement is wrong — fix the landmarks (hip and behind knee) before adding force.

Technical Stand-Up Sweep​

When they resist the backward sweep by sitting their weight down or gripping your legs, transition to standing.

  1. From Single Leg X, maintain ankle control with near hand
  2. Post your far hand on the mat behind you
  3. Remove your hip foot from their hip and post it on the mat
  4. Drive up off your posted hand and foot while your knee hook maintains control of their leg
  5. Come to a standing single leg position: their leg between yours, shoulder pressure on their thigh
  6. Finish the single leg: run the pipe (drive them laterally), trip the far leg, or lift and dump
  7. Establish top position

Key detail: The transition from guard to standing must be explosive and continuous. If you pause halfway up, they sprawl and you're stuck in a bad single leg position. Commit fully — post, drive, stand in one motion.

Ankle Pick Finish​

A precise finish that works when they're defending the basic extension sweep by bending forward and posting.

  1. From Single Leg X, they lean forward and post their hands to prevent falling backward
  2. Release one hand from the trapped ankle and reach for their far ankle (same-side hand)
  3. Pull their far ankle toward you while simultaneously extending your SLX legs
  4. The combination of pulling the far foot and pushing at the hip/knee collapses their entire base
  5. They fall to the side or forward — come up to top immediately
  6. Establish position

Key detail: Timing is critical. Reach for the far ankle when they commit their weight forward to resist the sweep. Their forward lean puts weight on their hands, making the far foot light and easy to pick.

Common Entries into Single Leg X​

From Butterfly Guard (most common): Your opponent stands or postures high from your butterfly guard. One butterfly hook stays active, thread it to the outside of their leg and place on their hip. Other foot goes behind the knee. Grab the ankle.

From De La Riva Guard: DLR hook is already behind their leg. Remove your inside foot from their hip and reposition to single leg X configuration. The DLR hook transitions into the knee hook.

From K Guard: K Guard positions you underneath with one leg already framing their hip. Thread the second leg to establish the full SLX position.

From standing opponent (sit-up guard): Sitting in front of a standing opponent, hook one foot behind their knee, place the other on their hip, grab the ankle, and drop to your back into SLX.

SLX to Leg Locks​

Single Leg X is the gateway to the modern leg lock game. When they defend the sweep:

  • Straight ankle lock: Already controlling the ankle — extend hips, figure-four grip on their Achilles tendon, arch back
  • Transition to inside sankaku (411/honeyhole): Thread your outside leg across to the far side and triangle your legs around their trapped leg — now you have inside heel hook position
  • Kneebar: Turn away from them while controlling the trapped leg, pinch knees on their leg, extend hips for the kneebar

The sweep and leg lock threats create a dilemma: defend the sweep and get leg locked, defend the leg lock and get swept.

Core Principles​

  1. Foot placement is everything — Hip and behind the knee. These are non-negotiable landmarks. Wrong placement means no control.
  2. Ankle control before anything — Secure the ankle first. It's the anchor that holds the entire position together.
  3. Opposing forces — Push at the hip, pull at the knee. This mechanical advantage is what makes SLX so powerful with so little effort.
  4. Stay close — Hips near their trapped leg. Distance kills your leverage and lets them disengage.
  5. Sweep or submit — Always present both threats. A sweep-only SLX game is half a game.

Common Mistakes​

MistakeFix
Foot on thigh instead of hipPlace outside foot directly on their hip bone — thigh gives them too much space
Inside foot on calf instead of behind kneeHook must be behind the knee — calf hook has no structural control
Losing ankle controlHug ankle to chest with both hands before attempting anything
Hips too far awayScoot your hips close to their trapped leg — distance kills leverage
Extending one leg at a timeBoth legs extend simultaneously — staggered extension gives them time to adjust
Not coming up after the sweepImmediately sit up and establish top position — staying on your back surrenders the advantage

Next Steps​

  1. X-Guard Sweep - Connected position with crossed leg configuration
  2. Straight Ankle Lock - Primary leg lock entry from SLX
  3. Heel Hook - Advanced leg lock transition from SLX