Boxing (IBF) vs Boxing (WBO) — Same Game, Different Rules

All 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 WBO championship bouts are scored using the 10-Point Must System: The winner of each round receives ten (10) points, and the loser receives nine (9) or fewer points.; In an even round where neither contestant has a clear advantage, the round shall be scored 10-10. However, such scores should ...

The following actions constitute fouls under IBF rules and may result in warnings, point deductions, or disqualification: Hitting below the belt: Punches landing below the imaginary beltline across the hip bones.; Hitting behind the head (rabbit punches): Striking the back of the head or the base...

The following actions constitute fouls in WBO championship contests: Hitting below the belt line, striking the kidneys, or hitting the back of the head or neck (rabbit punches).; Hitting an opponent who is down or who is in the process of rising from a knockdown.; Holding and hitting simultaneous...

Gloves used in IBF-sanctioned championship and elimination bouts must be approved by both the IBF and the local athletic commission.

WBO championship contests require the use of new boxing gloves provided by the promoter. The gloves must meet the following specifications: Mini Flyweight through Welterweight (105-147 lbs): Eight (8) ounce gloves shall be used.; Super Welterweight through Heavyweight (154 lbs and above): Ten (10...

Each boxer is permitted soft surgical gauze bandage not exceeding 18 yards in length and 2 inches in width, plus adhesive tape not exceeding 10 feet in length and 1.5 inches in width per hand. Tape must not be placed directly over the knuckle area when the fist is clenched.

Soft bandages not exceeding two inches (2") in width and no more than thirty (30) yards in length per hand for all weight classes.; One strip of adhesive tape, not exceeding one and one-half inches (1.5") in width, may be used to secure the bandage around the wrist. Tape shall not extend over the...

If a boxer is struck by a low blow (below the beltline), the referee will halt the action and grant the injured boxer up to 5 minutes to recover. If the boxer cannot continue after the 5-minute recovery period, the bout is decided based on the sco...

When a contestant is struck with a low blow: The referee shall call time and allow the injured contestant up to five (5) minutes to recover.; If the contestant is unable to continue after the five-minute recovery period, the bout shall be decided based on the scorecards if four (4) or more comple...

All 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 WBO requires comprehensive medical documentation and examinations 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; required more frequently for ...

IBF 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...

WBO championship contests shall be held in a ring that meets the following requirements: The ring shall be no less than sixteen feet (16') and no more than twenty feet (20') square inside the ropes. The WBO recommends a ring size of eighteen feet (18') for championship contests.; The ring floor s...

Gloves used in IBF-sanctioned championship and elimination bouts must be approved by both the IBF and the local athletic commission.

WBO championship contests require the use of new boxing gloves provided by the promoter. The gloves must meet the following specifications: Mini Flyweight through Welterweight (105-147 lbs): Eight (8) ounce gloves shall be used.; Super Welterweight through Heavyweight (154 lbs and above): Ten (10...

IBF 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...

WBO championship contests shall be held in a ring that meets the following requirements: The ring shall be no less than sixteen feet (16') and no more than twenty feet (20') square inside the ropes. The WBO recommends a ring size of eighteen feet (18') for championship contests.; The ring floor s...

The 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 WBO recognizes seventeen (17) weight divisions for world championship competition: Mini Flyweight: up to 105 lbs (47.627 kg); Light Flyweight: up to 108 lbs (48.988 kg); Flyweight: up to 112 lbs (50.802 kg)

IBF 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.

The WBO weigh-in protocol is designed to promote fighter safety and discourage dangerous weight-cutting practices: WBO world championship bouts are scheduled for twelve (12) rounds of three (3) minutes each, with a one (1) minute rest period between rounds.; Non-title bouts sanctioned by the WBO ...

All 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 WBO championship bouts are scored using the 10-Point Must System: The winner of each round receives ten (10) points, and the loser receives nine (9) or fewer points.; In an even round where neither contestant has a clear advantage, the round shall be scored 10-10. However, such scores should ...

The following actions constitute fouls under IBF rules and may result in warnings, point deductions, or disqualification: Hitting below the belt: Punches landing below the imaginary beltline across the hip bones.; Hitting behind the head (rabbit punches): Striking the back of the head or the base...

The following actions constitute fouls in WBO championship contests: Hitting below the belt line, striking the kidneys, or hitting the back of the head or neck (rabbit punches).; Hitting an opponent who is down or who is in the process of rising from a knockdown.; Holding and hitting simultaneous...

All 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 WBO requires comprehensive medical documentation and examinations 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; required more frequently for ...

The IBF's second-day weigh-in rule is notably stricter than policies of the WBA and WBC, which do not mandate fight-day weight checks for all bouts.

The WBO weigh-in protocol is designed to promote fighter safety and discourage dangerous weight-cutting practices: The official weigh-in shall be conducted the day before the scheduled bout, typically between 10:00 AM and 12:00 PM local time, at a location designated by the promoter and approved ...

The 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 WBO recognizes seventeen (17) weight divisions for world championship competition: Mini Flyweight: up to 105 lbs (47.627 kg); Light Flyweight: up to 108 lbs (48.988 kg); Flyweight: up to 112 lbs (50.802 kg)