3s League Official Rules

Based on FIBA 3×3 rules and modified for youth basketball development. Fast-paced games designed for skill-building, fun and player growth.

✅ Simple

Easy-to-learn rules that focus on the fundamentals. Rock-paper-scissors to start, 4 players per team and clear scoring.

⚡ Fast

10-minute games or first to 15 points. Continuous play with 1 timeout per team to keep the action moving.

🎉 Fun

More touches, more shots, more opportunities to shine. Every player stays engaged throughout the game.

Detailed Rules

Everything you need to know to play 3s League basketball.

Game Format & Scoring

Game Duration & Scoring

  • Each game is 10 minutes long or first team to 15 points, whichever comes first
  • 1 point for made shots inside the arc; 2 points for made shots beyond the arc
  • Game clock runs continuously — no shot clock
  • If tied at the end of 10 minutes, next score wins (sudden death)
  • Rock-paper-scissors decides first possession in overtime

Starting the Game

  • Rock-paper-scissors decides first possession
  • The winner chooses to start with the ball or defend

Team Composition

  • 3 players on court; 1 substitute
  • Minimum of 2 players to avoid forfeit

Ball Sizes

  • Girls and Boys 9U-11U: Size 5 (27.5") basketballs
  • Girls and Boys 12U-14U: Size 6 (28.5") basketballs

Playing Rules

Continuous Play

  • After a made basket, the defense immediately takes the ball from the net — no check-ball
  • After a missed shot and defensive rebound, the ball must be cleared behind the arc before scoring
  • After an offensive rebound, the same team may continue to play and score without clearing

Possession Rules

  • Jump balls go to the defensive team
  • Out-of-bounds goes to the opposing team
  • Substitutions only occur on dead balls before a check-in

Check-Ball Situations

  • Ball is checked at the top after fouls, violations or out-of-bounds plays
  • Defense hands ball to offense; play begins once offensive player has ball in hands

Fouls

  • Personal fouls count as team fouls
  • On the 7th team foul, the opponent is in the bonus
  • Bonus free throws: Foul on a 1-point try = 1 free throw
  • Bonus free throws: Foul on a 2-point try = 2 free throws
  • After 10 team fouls: defensive fouls = 2 free throws + possession
  • Unsportsmanlike/technical fouls = 2 free throws + possession

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