A honbasho, or Grand Sumo Tournament in English, is an official professional sumo tournament. Only honbasho results matter in determining promotion and relegation for rikishi on the banzuke ranking. B
Emperor's Cup
Inside of the Kuramae Kokugikan during the January 1950 honbasho
A match at the Osaka Prefectural Gymnasium during the March 2006 honbasho
Inside of the Ryōgoku Kokugikan during the May 2006 honbasho
Sumo is a form of competitive full-contact wrestling where a rikishi attempts to force his opponent out of a dohyō or into touching the ground with any body part other than the soles of his feet.
A sumo match (tori-kumi) between yokozuna Asashōryū (left) and komusubi Kotoshōgiku in January 2008
Sumo match in Tokyo c. 1890s
Sumo wrestling scene c. 1851