BJJ Half Guard: A Complete Guide to Attacking and Defending

Half guard is the position between guard and being passed. It is a battleground where small adjustments make huge differences. Master half guard and you have a path to sweep, submit, or recover full guard from seemingly bad positions.

What Is Half Guard?

Half guard is when you have one of your opponent is legs trapped between your legs. You are halfway between full guard and being passed – thus the name.

Types of Half Guard

Traditional Half Guard

Head on chest, controlling the trapped leg. Basic but effective when done right.

Z-Guard (Knee Shield)

Top knee creates frame against opponent is hip. Popular in modern BJJ for creating space.

Deep Half Guard

You are underneath opponent, controlling their leg deeply. Good for sweeping but risky if opponent knows counters.

Lockdown

Both legs entwine the trapped leg. Eddie Bravo system, very controlling but requires specific knowledge.

Sweeps from Half Guard

Old School Sweep

  1. Underhook their far arm
  2. Grab their ankle
  3. Drive forward while pulling leg
  4. Come to top position

Plan B Sweep

  1. When they whizzer your underhook
  2. Grab their far ankle
  3. Lift and roll underneath
  4. End in mount or side control

Deep Half Sweep

  1. Get deep under their hips
  2. Grab belt or far hip
  3. Roll toward their back
  4. Come to dog fight or top

Submissions from Half Guard

Kimura

Attack the arm on the same side as your head. Underhook, control wrist, figure-four grip.

Back Take

Underhook deep, threaten sweep, they defend by turning – take the back.

Leg Locks

In no-gi, half guard often leads to leg entanglements. Knee bars, heel hooks, and ankle locks available.

Passing Half Guard (Top Player)

Knee Cut Pass

  1. Free knee slides across their thigh
  2. Underhook their head
  3. Drive forward to side control

Back Step Pass

  1. Step back leg over their head
  2. Clear their legs
  3. Settle in side control or mount

Flat Pass

  1. Drop weight, flatten them
  2. Clear the knee shield if present
  3. Walk to side control

Common Mistakes

Bottom Player Mistakes

  • Flat on back (no leverage)
  • No underhook (they will flatten you)
  • Staying in half guard too long
  • Not threatening sweeps

Top Player Mistakes

  • Leaving leg trapped too long
  • No pressure
  • Ignoring the underhook
  • Rushing the pass

Drills to Improve

Half Guard Sweep Drill

Start in half guard, sweep, reset. Focus on underhook and hip movement.

Passing Drill

Partner plays half guard, you pass. Practice different passes against different half guard types.

Key Concepts

The Underhook Battle

Whoever has the underhook has the advantage. Fight for it relentlessly.

Hip Angle

Being on your side creates space and options. Flat on back means you are losing.

Constant Threats

Always threaten sweep or submission. If you are just holding on, you will get passed.

Bottom Line

Half guard is not a temporary position to escape – it is an active guard with real attacks. Embrace it, learn the sweeps and submissions, and you will turn what looks like a bad position into an offensive opportunity.

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