What is Mizu-iri? A Unique Tradition in Sumo that Preserves Safety and Fairness

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.

In sumo, there are many traditions that may seem mysterious to beginners or foreign fans. Among them, Mizu-iri is one of the rarest and most symbolic pauses, where wrestlers are given time to refresh themselves during a long and deadlocked match. Understanding this unique practice allows you to appreciate both the competitive and cultural depth of sumo.

Basic Meaning of Mizu-iri

Mizu-iri is a “pause declared to ensure fairness and the safety of wrestlers”. When both rikishi (wrestlers) lock up in the center of the ring and cannot move for several minutes, the referee (gyoji) declares Mizu-iri.

The wrestlers then step away from the dohyo, receive water from their attendants, take it into their mouths and spit it out, and return refreshed. In Japanese tradition, water symbolizes purification, so this is not just a break but also a ritualistic act.


Conditions for Mizu-iri

ConditionDetails
StalemateWrestlers are locked in the center without progress
Long-lasting boutSeveral minutes have passed, and stamina is draining
Safety considerationPrevents injury due to exhaustion
FairnessEnsures neither wrestler is placed at an extreme disadvantage

Through this system, the match continues without forcing the wrestlers, and spectators can enjoy an even more intense contest.


Procedure of Mizu-iri

StepActionMeaning
DeclarationReferee announces “Mizu-iri”Official pause begins
ExitWrestlers step away from the ringTime to regain composure
Receiving waterWrestlers take water, rinse, and spitPurification and renewed focus
ResumptionReturn to the ring and continueRestart with fresh determination

This sequence shows both ritual and competition. For spectators, it builds anticipation for the restart of the match.


Historical Background

Mizu-iri has been practiced since the Edo period. Matches in earlier times often lasted much longer, so this system was introduced to protect wrestlers. In the Showa and Heisei eras, famous bouts went down in history because they included Mizu-iri.

In extremely rare cases, the pause may occur twice, known as “Nido Mizu-iri” (double Mizu-iri), which is regarded as legendary in sumo history.


What to Watch After Mizu-iri

Focus PointExplanation
Change in techniquesWrestlers often try new attacks after the pause
Recovery of staminaBreathing is reset, movements become sharper
Psychological battleThe first to make a move may gain the advantage
Audience excitementLoud cheers rise when the bout resumes

After Mizu-iri, the flow of the match can completely change, and unexpected comebacks often happen.


Why Mizu-iri is Rare

In modern sumo, wrestlers are stronger, bigger, and more skilled, so most bouts end quickly. As a result, Mizu-iri occurs only a few times per year, making it a rare and special event. For spectators, witnessing it live is considered a stroke of luck.


Points for Foreign Spectators

To foreign viewers, Mizu-iri may look like a “timeout.” However, in sumo, it carries a deeper cultural meaning.

  • It is a ritual of purification, rooted in Japanese tradition
  • It symbolizes the fusion of sport and ceremony
  • It allows both wrestlers and audience to breathe and prepare for the next phase

Understanding this background helps newcomers and foreign fans appreciate the depth of sumo as more than just a sport.


Famous Matches with Mizu-iri

EraWrestlersTimes of Mizu-iriOutcome
ShowaTaiho vs. KashiwadoOnceTaiho won by yorikiri (frontal force out)
HeiseiTakanohana vs. AkebonoTwiceTakanohana won by shitatenage (underarm throw)
Late HeiseiAsashoryu vs. HakuhoOnceHakuho won by oshidashi (push out)

These matches show how Mizu-iri often appears in historic bouts, heightening the drama of the contest.


Conclusion

Mizu-iri is a special pause in sumo declared when a bout lasts too long and the wrestlers reach a stalemate. Wrestlers rinse with water, purify themselves, and return to continue the battle. It is both a system to ensure safety and fairness and a ritual that reflects Japanese culture.

For spectators, it is a rare and memorable scene. For foreign fans, understanding it deepens the appreciation of sumo’s richness. Mizu-iri is not just a break—it is a fusion of tradition, competition, and drama, encapsulating the very spirit of sumo.

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