Indoor volleyball rules are designed to ensure fair and exciting play. Knowing them is fundamental to playing correctly.

⚡ Quick summary:
  • Matches are best of 5 sets: first four to 25 points and the fifth to 15.
  • A minimum 2-point difference is always required to close a set or match.
  • Each team has a maximum of 3 touches to return the ball.
  • Rotation is mandatory when your team regains serve (clockwise order).
  • The libero has specific restrictions: no blocking and no attack above net height.
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Basic Rules

Essential fundamentals that every player should know.

Game Fundamentals:

  • Objective: Send the ball to the opponent's court to touch the ground
  • Players: 6 per team on court
  • Duration: Best of 5 sets
  • Scoring: Rally point system (each play worth one point)

Court Dimensions:

  • Court: 18 x 9 meters
  • Net: 2.43m (men) / 2.24m (women)
  • Attack line: 3 meters from the net
  • Service zone: 9 meters wide
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Scoring System

How points are scored and a match is won.

How Points are Scored:

  • Rally Point: Each play worth one point
  • Direct point: Ball touches opponent's court ground
  • Opponent error: Ball out, net touch, etc.
  • Successful block: Block counts as first touch

Winning a Set:

  • Points needed: 25 points
  • Minimum difference: 2 point advantage
  • Decisive set: 15 points (if 5th set needed)
  • Tie: Continue until 2 point advantage
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Rotation and Positions

Rotation system and positions on the court.

Rotation System:

  • Rotation: Clockwise when winning serve
  • Positions: 6 numbered positions 1 to 6
  • Order: Maintain rotation order
  • Libero: Does not rotate, enters and exits freely

Court Positions:

  • Position 1: Service zone (back right)
  • Position 2: Front right
  • Position 3: Front center
  • Position 4: Front left
  • Position 5: Back left
  • Position 6: Back center
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Faults and Violations

Main faults that can be committed during play.

Main Faults:

  • Four touches: More than 3 touches per team
  • Double touch: Player touches ball twice consecutively
  • Net touch: Touching net during play
  • Invasion: Touching ball in opponent court
  • Ball out: Ball touches outside boundaries
  • Service error: Feet outside service zone

Libero Restrictions:

  • Cannot attack: Cannot spike from any height
  • Cannot block: Cannot participate in blocks
  • Cannot serve: Cannot perform serve
  • Unlimited changes: Can enter and exit freely

Most common indoor volleyball faults

This table summarizes the violations that most often give points away in amateur and competitive matches.

Fault What causes it Consequence
Four hits The team touches the ball 4 times before sending it to the opposite court Point and serve to the opponent
Double contact The same player touches the ball twice in a row Point to the opponent
Net touch Illegal contact with the net during play Point to the opponent
Invasion Entering the opponent court and interfering with play Point to the opponent
Rotation fault Incorrect positional order when serving Point to the opponent and position correction
Service out or into the net The serve does not land in the opponent court Direct point to the opponent

Specific Rules by Position

Setter

  • Can block and attack from attack zone
  • Cannot block in defense zone
  • Can perform second touch from any position

Libero

  • Cannot attack or block
  • Can perform finger pass from defense zone
  • Unlimited changes with defense zone players

Hitters

  • Can attack from attack zone
  • Cannot attack from defense zone
  • Can block in any position

Changes and Substitutions

Substitution Rules

  • Maximum: 6 substitutions per set
  • Reversibility: Player can leave and return
  • Libero: Unlimited changes with defense zone players
  • Time: 30 seconds to complete substitution

Timeouts

  • Number: 2 timeouts per set per team
  • Duration: 30 seconds each
  • Usage: Only when team has the ball
  • Decisive set: 1 additional timeout per team

Competition Rules

Match Format

  • Sets: Best of 5 sets
  • Normal sets: Up to 25 points
  • Decisive set: Up to 15 points
  • Difference: Minimum 2 point advantage

Referees and Officials

  • First referee: Controls the game from the referee stand
  • Second referee: Controls the net and center line
  • Scorer: Records score and substitutions
  • Line judges: 4 judges (2 per side)