About ・ このサイトについて
Grand Sumo Data
An unofficial fan site covering Grand Sumo tournaments since 1958. The database contains 749,759 bout records including rikishi, banzuke, matches, and kimarite.
Data is sourced from sumo-api.com (free REST API). This is a non-commercial project.
9,132
Rikishi
408
Basho
749,759
Bouts
Tech Stack
Next.js 15 (App Router) + TypeScript
Tailwind CSS 4 + Vercel (Hobby)
Supabase (PostgreSQL) — Free tier
sumo-api.com — Data source
Disclaimer
This is an unofficial site not affiliated with the Japan Sumo Association. Data accuracy is not guaranteed.