Understanding Sumo: History, Rules, and Ranking System
Understanding Sumo: History, Rules, and Ranking System

1. What is Sumo?
Sumo is a traditional Japanese wrestling sport with deep historical and cultural significance. It is Japan’s national sport and has been practiced for centuries, evolving from ancient rituals into a professional sport.
2. The Origins of Sumo: A Sacred Tradition
Sumo traces its roots back to ancient Japan, where it was initially a Shinto ritual performed to entertain the gods and pray for a good harvest. The sport retains many religious elements, such as the purification of the ring with salt before each match.
3. Basic Rules of Modern Sumo
Winning and Losing
A sumo match is won when a wrestler:
- Forces his opponent out of the ring (dohyo).
- Makes his opponent touch the ground with any part of his body other than the soles of his feet.
The Sumo Ring (Dohyo)
The dohyo is a circular ring made of clay and covered in sand. It has a diameter of 4.55 meters (14.9 feet). The elevated ring is considered sacred, and rituals are performed before matches.
4. Sumo Ranking System (Banzuke)
Sumo wrestlers are ranked in a strict hierarchy, which is updated after each tournament. The main ranks include:
- Yokozuna (Grand Champion): The highest rank in sumo.
- Ozeki: The second-highest rank, just below Yokozuna.
- Sekiwake & Komusubi: Upper ranks of the top division.
- Maegashira: The lower rank within the top division.
5. How a Wrestler Advances in Rank
From New Apprentice to Sekitori
Sumo wrestlers start their careers as apprentices in sumo stables (heya). They must climb the ranks through lower divisions before becoming a sekitori, a fully salaried wrestler.
Requirements to Become a Yokozuna
To achieve the prestigious Yokozuna rank, a wrestler must:
- Win two consecutive championships (honbasho) at the Ozeki rank.
- Demonstrate strength, skill, and dignity befitting a grand champion.
6. Conclusion
Sumo is not just a sport but a living tradition with deep cultural significance. Understanding its history, rules, and ranking system provides insight into one of Japan’s most cherished customs.