Boxing (IBF) vs Boxing (WBC) — Same Game, Different Rules
Same sport, different leagues. See exactly where IBF and WBC rules diverge.
| Attribute | Boxing (IBF) | Boxing (WBC) |
|---|---|---|
| Category | Combat Sports | Combat Sports |
| Organization | IBF | WBC |
| Players | 1 | 1 |
| Location | both | both |
| Season / Version | IBF Championship Rules effective 2006-09-01 with amendments through April 2025 (posted 2025-08-13); Female/USBA/IC Regional Rules amendments through 2025-10-15 | WBC Rules and Regulations (Constitution + Rules + Championship Rules) |
| Verification | 🏛️Official — IBF | 🏛️Official — WBC |
Comparison Summary
Boxing (IBF) and Boxing (WBC) share 14 rule topics. All 14 have different rules.
Key differences in: 10-Point Must System, Gloves, Judges, Legal Blows, Pre-Fight Medical Requirements and 9 more.
Shared Rules — Side by Side(14 shared topics)
10-Point Must System
Rules differAll IBF championship bouts are scored using the 10-point must scoring system. Under this system, the winner of each round receives 10 points, and the loser receives 9 points or fewer.
All WBC championship bouts are scored using the 10-point must system. The following principles apply: The winner of each round receives ten (10) points and the loser receives nine (9) points or less.; If the round is even, both contestants receive ten (10) points.; A round with a knockdown is sco...
Gloves
Rules differGloves used in IBF-sanctioned championship and elimination bouts must be approved by both the IBF and the local athletic commission.
All contestants must wear gloves that meet WBC specifications: Junior Flyweight through Welterweight (up to 147 lbs): Eight (8) ounce gloves shall be worn.; Junior Middleweight through Heavyweight (above 147 lbs): Ten (10) ounce gloves shall be worn.; Gloves must be new, clean, and in good condit...
Judges
Rules differThree judges are assigned to score each IBF championship bout using the 10-point must scoring system. Judges must be licensed, experienced, and approved by both the IBF and the local athletic commission.
Three (3) judges shall be appointed to score each championship bout. Judges must be licensed by the local governing boxing commission and approved by the WBC.
Legal Blows
Rules differPunches must be delivered with the padded knuckle area of the closed glove to the front or sides of the head or body above the beltline. The beltline is defined as an imaginary line drawn across the top of the hip bones.
All punches must be delivered with the padded knuckle part of the glove. Legal target areas include: The front and sides of the head above the eyebrows.; The front and sides of the torso above the belt line.
Pre-Fight Medical Requirements
Rules differAll boxers competing in IBF-sanctioned bouts must undergo comprehensive medical examinations including: Pre-fight physical: A thorough physical examination conducted within 72 hours of the bout by a licensed physician approved by the local commission.; Eye examination: A dilated ophthalmological ...
The WBC requires the following medical examinations and documentation before any championship contest: Complete physical examination by a licensed physician within thirty (30) days prior to the bout.; Current MRI or CT brain scan (within one year for active fighters).; Eye examination by a licens...
Ring Attire
Rules differBoxers must wear approved boxing trunks that do not extend below the knee and are secured at the waist. The trunks' waistband must not extend above the navel, as the beltline is used as a reference for legal punching zones.
Each contestant shall wear boxing trunks approved by the WBC Commissioner. Trunks must be above the knee and must not extend below the knee.; The belt line of the trunks shall not extend above the navel.; No shirts, vests, or other upper-body garments are permitted for male contestants.
Ring Lighting
Rules differLighting must be sufficient for clear visibility by judges, the referee, and broadcast cameras. Overhead lighting must not create blinding glare for the boxers.
The ring area must be adequately illuminated so that spectators and officials can observe the contest clearly. Lighting shall be positioned to avoid blinding the contestants, officials, or judges.
Scoring Criteria
Rules differIBF judges evaluate each round based on four criteria, weighted in the following order of importance: Clean, Effective Punching: The primary criterion. Punches that land cleanly on the legal target areas with force and accuracy are valued most highly. Quantity of punches is secondary to quality —...
Judges shall evaluate each round based on the following criteria, in order of priority: Clean Punching: The number and quality of clean, legal punches landed on the target area. Power punches (hooks, uppercuts, crosses) that land cleanly carry more weight than jabs.; Effective Aggressiveness: Pre...
Section 2: Equipment
Rules differGloves used in IBF-sanctioned championship and elimination bouts must be approved by both the IBF and the local athletic commission.
All contestants must wear gloves that meet WBC specifications: Junior Flyweight through Welterweight (up to 147 lbs): Eight (8) ounce gloves shall be worn.; Junior Middleweight through Heavyweight (above 147 lbs): Ten (10) ounce gloves shall be worn.; Gloves must be new, clean, and in good condit...
Section 3: Playing Area
Rules differIBF championship bouts must be conducted in a regulation boxing ring meeting the following specifications: Ring Size: The ring must measure between 16 feet (4.88 m) and 20 feet (6.10 m) on each side, measured inside the ropes. The IBF prefers a minimum of 18 feet for championship contests when ve...
All WBC championship contests must be conducted in a regulation boxing ring that meets the following specifications: Ring Size: The ring shall be no less than sixteen feet (16') square and no more than twenty-four feet (24') square within the ropes. For WBC championship bouts, a minimum of eighte...
Section 5: Rules of Play
Rules differIBF world championship bouts are scheduled for 12 rounds of 3 minutes each, with a 1-minute rest interval between rounds. Non-title bouts sanctioned by the IBF may be scheduled for fewer rounds (commonly 8 or 10 rounds) as determined by the local commission and promoter.
A boxer shall be considered to be "down" when any part of their body, other than their feet, is on the canvas, or if they are hanging helplessly over the ropes as a result of a legal blow as ruled by the referee, who is the only person authorized ...
Section 6: Scoring
Rules differAll IBF championship bouts are scored using the 10-point must scoring system. Under this system, the winner of each round receives 10 points, and the loser receives 9 points or fewer.
All WBC championship bouts are scored using the 10-point must system. The following principles apply: The winner of each round receives ten (10) points and the loser receives nine (9) points or less.; If the round is even, both contestants receive ten (10) points.; A round with a knockdown is sco...
Section 8: Safety Considerations
Rules differAll boxers competing in IBF-sanctioned bouts must undergo comprehensive medical examinations including: Pre-fight physical: A thorough physical examination conducted within 72 hours of the bout by a licensed physician approved by the local commission.; Eye examination: A dilated ophthalmological ...
The WBC requires the following medical examinations and documentation before any championship contest: Complete physical examination by a licensed physician within thirty (30) days prior to the bout.; Current MRI or CT brain scan (within one year for active fighters).; Eye examination by a licens...
Weight Divisions
Rules differThe IBF recognizes 17 weight divisions for professional boxing competition: Mini Flyweight (Strawweight): Up to 105 lbs (47.63 kg); Junior Flyweight (Light Flyweight): Up to 108 lbs (48.99 kg); Flyweight: Up to 112 lbs (50.80 kg)
The WBC sanctions championship contests in the following seventeen weight divisions: Strawweight: 105 lbs (47.627 kg); Junior Flyweight: 108 lbs (48.988 kg); Flyweight: 112 lbs (50.802 kg)
Permanent link: https://opensourcesports.io/rules/versus/boxing-ibf-vs-boxing-wbc