Weight Class

Sumo is competitive contact sport. A match is played between two players, designated East and West.
They make the best possible use of the 4.55 meter diameter dohyo and fight, almost naked, using their full strength.
Competitions are open to men and women, however, no contest between man and woman is allowed.

Jr. Men(13-18 yrs. Old)
Light-weight - under 80 Kg
Middle-weight - 80 Kg and under 100 Kg
Heavy-weight - 100 Kg and over
Open-weight
Jr. Women(13-18 yrs.Old)
Light-weight - under 60 Kg
Middle-weight - 60 Kg and under 75 Kg
Heavy-weight - 75 Kg and over
Open-weight
Men
Light-weight - under 85 Kg
Middle-weight - 85 Kg and under 115 Kg
Light Heavyweight - 100 Kg and over and under 115Kg
Heavy-weight - 115 Kg and over
Open-weight
Women
Light-weight - under 65 Kg
Middle-weight - 65 Kg and over under 73 Kg
Light Haevyweight - 73 Kg and over and under 80Kg
Heavy-weight - 80 Kg and over
Open-weight
Team Competition
Senpo
Chuken
Taisho
Substitute