What Is a Zensho-Yusho? The Pride of a Sumo Wrestler Who Wins Every Bout Without a Single Defeat

Introduction
               

Supervisor・Tsuyoshi Mizuguchi

Former sumo wrestler Shoho Tsuyoshi (real name: Tsuyoshi Mizuguchi). He belonged to the Kasugayama stable, made his debut in 2004, and rose to the rank of Makushita East 4. He also performed the Yumitori-shiki (bow-twirling ceremony) on behalf of Yokozuna Hakuho.
After retiring, he has been actively promoting sumo culture both in Japan and abroad through organizing training sessions, producing the YouTube channel "Osumo Gucchan-neru," and hosting sumo experience events.
He appeared as the character Entori in the Netflix drama *Sanctuary* and has also participated in stage performances.
Currently, he organizes inbound sumo events and shows for international visitors, and also works as a personal trainer, sharing the appeal of sumo while supporting people’s health and well-being.

A Zensho-Yusho means winning a sumo tournament without a single loss. For any wrestler, it is the highest form of honor — a symbol of discipline, strength, and perfection that embodies the spirit of sumo itself.

What Is a Zensho-Yusho?

A Zensho-Yusho means winning all bouts during the 15-day Honbasho, finishing the tournament undefeated. For Makuuchi (top-division) wrestlers, this means 15 consecutive victories (15–0).
Among all possible championship results, a Zensho-Yusho is considered the highest form of total domination.
It can only be achieved by wrestlers who possess exceptional skill, stamina, and mental discipline. Maintaining focus and composure for all 15 days requires a strength that goes beyond physical power.


Requirements and Differences by Division

Each sumo division has a different number of bouts per tournament, so the conditions for achieving a Zensho-Yusho also differ.

DivisionNumber of BoutsCondition for Zensho-YushoCharacteristics
Makuuchi (Top Division)1515–0Most prestigious; recorded in history
Juryo1515–0Often leads to promotion to Makuuchi
Makushita77–0Marks potential future stars
Sandanme77–0Represents steady progress
Jonidan77–0Important milestone for newcomers
Jonokuchi77–0First major achievement in a wrestler’s career

Regardless of the number of bouts, the meaning remains the same — to win them all. In any division, achieving a Zensho-Yusho is a source of pride and distinction for the wrestler.


Evaluation and Impact of a Zensho-Yusho

A Zensho-Yusho is the clearest demonstration of a wrestler’s dominance and consistency. Since even one loss breaks the streak, the achievement is extremely rare.
When a Yokozuna or Ozeki (top-ranked wrestlers) wins every bout, it is regarded as proof of “dignity and mastery worthy of their rank.”
In lower divisions, an undefeated record almost guarantees promotion, making it a pivotal turning point in a wrestler’s career.

RecordTermMeaning
15–0Zensho-YushoPerfect victory; highest honor
14–1Semi-ZenshoNear-perfect result
13–2Strong ChampionshipShows proven skill and potential

A Zensho-Yusho is not just about numbers — it defines legacy and reputation, shaping how a wrestler’s career will be remembered.


History and Legendary Wrestlers Who Achieved Zensho-Yusho

Throughout sumo history, only a handful of wrestlers have achieved multiple Zensho-Yusho titles.
In the Showa era, Futabayama recorded an unbelievable 69 consecutive victories, many of which included Zensho-Yusho tournaments.
In the modern era, Hakuho established himself as one of the greatest ever, with an unprecedented number of undefeated championships.

WrestlerNumber of Zensho-YushoEraDistinction
Futabayama8ShowaEmbodied the aesthetics of perfection
Hakuho16Heisei–ReiwaHolds the all-time record
Takanohana7HeiseiSymbol of mental toughness
Asashoryu6HeiseiKnown for aggressive, captivating sumo
Chiyonofuji5Late Showa“The Muscle Yokozuna” renowned for strength

Each of these wrestlers left a mark on their era, and their Zensho-Yusho victories became milestones in sumo’s rich tradition.


Why a Yokozuna’s Zensho-Yusho Is Especially Significant

The Yokozuna holds a unique position — he is not expected to lose. Therefore, when a Yokozuna achieves a Zensho-Yusho, it demonstrates the fulfillment of his duty and the peak of his dignity.
Such dominance excites fans, inspires fellow wrestlers, and strengthens the authority of the sport.
A Yokozuna’s perfect victory is remembered as a historical event, symbolizing the ideal balance of power, technique, and composure. It is the purest expression of what sumo represents.


What It Takes to Achieve a Zensho-Yusho

Achieving a Zensho-Yusho is never a matter of luck. It requires daily discipline, careful diet, precise conditioning, and mental control.
Wrestlers cool down their bodies immediately after matches and prepare carefully for the next day’s bouts.
Since each opponent has a different fighting style, adaptability and strategic intelligence are also crucial.
Sustaining peak performance for 15 consecutive days is extremely difficult, and this is why every Zensho-Yusho carries immense respect.


The Mental Strength to Keep Winning

A wrestler pursuing a Zensho-Yusho fights under unrelenting pressure from the first day to the final bout. A single moment of carelessness can end the dream.
By the final days, tension peaks — the entire arena, media, and fans focus on one person. Maintaining composure under such pressure requires extraordinary mental strength.
When a wrestler overcomes that pressure and secures victory, the emotional impact resonates deeply, symbolizing the culmination of effort and resolve.


The Broader Impact of Zensho-Yusho

The influence of a Zensho-Yusho extends beyond the individual wrestler. It revitalizes the sumo world, inspires younger rikishi, and excites fans across generations.
When foreign wrestlers achieve undefeated championships, international attention rises, showcasing sumo as a global symbol of Japanese culture.
A Zensho-Yusho is more than a record — it is the embodiment of discipline, spirit, and tradition. Each victory connects deeply with audiences, both in Japan and abroad.


Conclusion

A Zensho-Yusho represents the ultimate achievement in sumo — winning every bout without defeat.It requires a perfect balance of technique, stamina, and mental fortitude, making it a feat only the greatest can accomplish.
This victory stands as the purest expression of sumo’s philosophy, capturing the beauty of strength, respect, and perseverance.When a wrestler achieves a Zensho-Yusho, it is not merely a victory on the dohyo, but a moment that inspires and unites all who love the sport.
In essence, the Zensho-Yusho is the embodiment of sumo’s pride and perfection.

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