3x3 Basketball vs Basketball — Same Game, Different Rules
Same sport, different leagues. See exactly where FIBA and WNBA rules diverge.
| Attribute | 3x3 Basketball | Basketball |
|---|---|---|
| Category | Team Sports | Team Sports |
| Organization | FIBA | WNBA |
| Players | 3–6 | 5 |
| Location | outdoor | indoor |
| Season / Version | FIBA Official 3x3 Basketball Rules (current edition — half-court, 12-second shot clock, 21-point target, Olympic-format) | 2026 Official WNBA Rule Book |
| Verification | 🏛️Official — FIBA | 🏛️Official — WNBA |
Comparison Summary
3x3 Basketball and Basketball share 16 rule topics. All 16 have different rules.
Key differences in: Free Throws, Concussion Protocol, Court Dimensions, Field Goals, Other Violations and 11 more.
These sports also have 3x3 Basketball is outdoor, Basketball is indoor; different player counts.
Shared Rules — Side by Side(16 shared topics)
Free Throws
Rules differPersonal fouls in the act of shooting: free throws are awarded as in 5-on-5 basketball; Free throw outside the arc: 2 free throws; Free throw inside the arc: 1 free throw
Each successful free throw is worth 1 point.
Free throw (1 point each): Uncontested shots taken from the free throw line, awarded after certain fouls; The shooter must release the ball within the time prescribed by the rule book after receiving it from the official; Other players line up in designated lane spaces during free throw attempts:...
Concussion Protocol
Rules differFIBA follows the IOC consensus on concussion in sport: any player with a suspected concussion is removed from play and is subject to a graduated return-to-play assessment before being cleared for subsequent competition. Match-day diagnosis is the ...
The WNBA maintains a comprehensive concussion management program developed in collaboration with the Women's National Basketball Players Association (WNBPA).
Court Dimensions
Rules differSingle half-court, 15 m wide × 11 m long (approximately 49 ft × 36 ft); One basket at the end opposite the check-ball restart area; 3-point arc at 6.75 m from the basket (matches FIBA 5-on-5)
The WNBA plays on a regulation NBA-size court, since league franchises share arenas with NBA teams and other tenants.
Field Goals
Rules differ1 point for a field goal made from inside the 6.75 m arc (a "deuce" worth 1 in 3x3, distinct from the 2-point deuce in 5-on-5); 2 points for a field goal made from beyond the 6.75 m arc (a "trey" worth 2 in 3x3, distinct from the 3-point trey in 5-on-5); The 1/2 scoring scale is the most distinct...
Two-point field goal (2 points): A basket made from inside the three-point arc. This includes layups, dunks, hook shots, floaters, and mid-range jump shots.; Three-point field goal (3 points): A basket made from beyond the three-point arc. The shooter's feet must be completely behind (not touchin...
Other Violations
Rules differTraveling: same standard as 5-on-5 basketball; loss of possession; Double dribble: same standard as 5-on-5; loss of possession; Out of bounds: ball awarded to opposing team at check-ball area
Out of bounds: The ball is out of bounds when it touches the floor, a player, or any object on or outside the boundary line. Possession is awarded to the opposing team of the player who last touched the ball.; Backcourt violation (over and back): Once the ball is established in the frontcourt, th...
Overtime
Rules differIf the game is tied at the end of regulation (neither team reached 21 before time expired and both have equal points), untimed overtime is played: the first team to score 2 points in overtime wins. There is no overtime clock; play continues from t...
If the score is tied at the end of the fourth quarter, a 5-minute overtime period is played; Overtime begins with a jump ball at center court; Additional overtime periods are played until one team has a higher score at the end of a period — WNBA games cannot end in a tie
Personal Fouls
Rules differPersonal fouls in 3x3 are tracked at the team level (not per-player); Up to 6 team fouls per game are non-bonus fouls; Starting with the team's 7th, 8th, and 9th team foul, the opposing team shoots 2 free throws
A personal foul is illegal physical contact by a player against an opponent. Personal fouls include holding, pushing, charging, blocking, hand-checking, and illegal screens.
Section 2: Equipment
Rules differSize 6 (28.5 inches / 72.4 cm circumference) — sized between a women's 5-on-5 ball and a men's 5-on-5 ball; Weight equivalent to a men's 5-on-5 basketball (approximately 580-620 g); FIBA-approved 3x3 ball with grooved grip pattern designed for outdoor use
The WNBA uses a women's official-size basketball (Size 6), which is smaller and lighter than the men's Size 7 ball used by the NBA.
Section 3: Playing Area
Rules differThe check-ball restart area is the top of the arc at the half-court line opposite the basket. After a made basket and on out-of-bounds restarts in specific scenarios, the offensive team takes the ball at the check-ball spot and passes it to a defe...
The WNBA plays on a regulation NBA-size court, since league franchises share arenas with NBA teams and other tenants.
Section 4: Players & Officials
Rules differ3x3 is unique among FIBA disciplines in that coaches are not permitted on the bench during play in standard FIBA 3x3 competition — the players themselves manage strategy, substitutions, and timeout...
Each WNBA game is officiated by a crew of three referees: Roster size: Each WNBA team's regular-season roster is capped by the collective bargaining agreement; teams typically dress 12 active players for each game.; Players on the court: 5 players per team are on the court simultaneously, organiz...
Section 5: Rules of Play
Rules differIf the game is tied at the end of regulation (neither team reached 21 before time expired and both have equal points), untimed overtime is played: the first team to score 2 points in overtime wins. There is no overtime clock; play continues from t...
A WNBA game consists of four 10-minute quarters, for a total of 40 minutes of regulation play. This is a key structural difference from the NBA's 12-minute quarters and aligns the WNBA more closely with FIBA international rules timing.
Section 6: Scoring
Rules differEach successful free throw is worth 1 point.
The top finishing teams from the regular season qualify for the WNBA Playoffs, an elimination tournament conducted in successive rounds of best-of series. The tournament culminates in the WNBA Finals, which determines the league champion.
Section 7: Violations & Penalties
Rules differIf the offensive team fails to attempt a rim-contacting shot within 12 seconds, the defensive team gains possession at the check-ball area.
A personal foul is illegal physical contact by a player against an opponent. Personal fouls include holding, pushing, charging, blocking, hand-checking, and illegal screens.
Section 8: Safety Considerations
Rules differFIBA follows the IOC consensus on concussion in sport: any player with a suspected concussion is removed from play and is subject to a graduated return-to-play assessment before being cleared for subsequent competition. Match-day diagnosis is the ...
Each team is entitled to one Coach's Challenge per game. A coach may challenge a personal foul called on her team, a goaltending or basket interference call, or an out-of-bounds call.
Team Composition
Rules differEach team has a roster of 4 players total; 3 players on the court at any time; 1 substitute available throughout the game
Roster size: Each WNBA team's regular-season roster is capped by the collective bargaining agreement; teams typically dress 12 active players for each game.; Players on the court: 5 players per team are on the court simultaneously, organized loosely into the traditional 5 positions (point guard, ...
Timeouts
Rules differEach team has one 30-second timeout per game; Timeouts are called by the players on the court (since coaches are not permitted to direct from the bench); The clock stops during the timeout
Each team is granted a fixed number of timeouts per game, allocated by half and quarter under league rules; Timeout duration and television-mandated breaks are governed by the league's broadcast protocol; Limits apply on how many timeouts a team may carry into the final stretch of the fourth quarter
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