Ozumo Log — the English side of a Japanese sumo database
This site keeps the record of professional sumo: every bout, every ranking sheet, every wrestler. The Japanese side is a full database; these English pages answer the questions people actually ask about sumo — how to watch it, how the ranking works, how bouts are won, and what the wrestlers’ names mean.
What is free, what is only available inside Japan, and where the English-language coverage is.
The banzuke, explainedHow the ranking sheet works — with the full July 2026 banzuke.
Rules of sumoHow a bout is won, how a tournament works, and how wrestlers rise and fall.
Winning techniquesAll 87 kimarite, with how often each one actually decides a bout.
What ring names meanWhy every wrestler at one stable starts with the same character.
The wrestlersCareer records, the techniques each man wins with, and what his ring name means, character by character.
Every tournament since 1958Champions, special prizes and the full ranking sheet for each of the six tournaments a year.
The stablesWhere wrestlers live and train — and where their ring names come from.
Where they come fromBy prefecture and by country, from Hokkaido to Mongolia.
1,398 wrestlers with a page · 747,775 recorded bouts · 288,407 banzuke entries · latest tournament: Nagoya Basho, July 2026 at IG Arena, Nagoya.
The detailed wrestler pages are currently in Japanese only. They are readable without Japanese if you are after numbers: each wrestler has a career table, a bout-by-bout record, head-to-head results and a breakdown of the techniques he wins with.