YOKKAO OPEN Muay Thai Promotion
Official Ruleset

Amateur Competition Rules

Equipment and round formats for every YOKKAO OPEN Amateur bout — Juniors and Adults.

Juniors

U15

13–14 years old
Boxing Gloves
  • 154 lbs (70 kg) and under10 oz
  • 155 lbs (70.3 kg) and above12 oz
Rules
  • No elbows permitted
  • Body protector mandatory
  • Elbow pads mandatory
  • Shin guards mandatory
  • Head guard mandatory
  • 3 × 1.5-minute rounds
  • 1-minute rest between rounds

U18

15–16–17 years old
Boxing Gloves
  • 154 lbs (70 kg) and under10 oz
  • 155 lbs (70.3 kg) and above12 oz
Rules
  • No elbows permitted
  • Elbow pads mandatory
  • Shin guards mandatory
  • Head guard mandatory
  • 3 × 1.5-minute rounds
  • 1-minute rest between rounds

Adults

C Class

0–3 bouts
Boxing Gloves
  • 154 lbs (70 kg) and under10 oz
  • 155 lbs (70.3 kg) and above12 oz
Rules
  • No elbows permitted
  • Head guard mandatory
  • Elbow pads mandatory
  • Shin guards mandatory
  • 3 × 2-minute rounds
  • 1-minute rest between rounds

B Class

4–12 bouts
Boxing Gloves
  • 154 lbs (70 kg) and under10 oz
  • 155 lbs (70.3 kg) and above12 oz
Rules
  • Elbows permitted
  • No head guard
  • Elbow pads mandatory
  • Shin guards mandatory
  • 3 × 2-minute rounds
  • 1-minute rest between rounds

A Class

13+ bouts
Boxing Gloves
  • 154 lbs (70 kg) and under10 oz
  • 155 lbs (70.3 kg) and above12 oz
Rules
  • Elbows permitted
  • No head guard
  • Elbow pads mandatory
  • Shin guards mandatory
  • 3 × 2-minute rounds
  • 1-minute rest between rounds
Progression is based on completed amateur bouts. See also the Points System and Rankings.