How to Take the Shin-Deshi Examination in Professional Sumo: A Clear Guide by Key Points Including Physique, Age, and Foreign Quotas

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.

The Shin-Deshi Examination is the essential first step for anyone who dreams of becoming a sumo wrestler. It is not just a physical checkup but a comprehensive process that evaluates whether an applicant is physically, mentally, and culturally ready for the sumo lifestyle. This article breaks down the examination for beginners and international fans, offering a clear, detailed, and beginner-friendly explanation of what to expect.

What Is the Shin-Deshi Examination?

The Shin-Deshi Examination is a mandatory assessment conducted by the Japan Sumo Association for anyone wishing to enter the world of professional sumo. Without passing this examination, no matter how passionate or talented a person is, they cannot debut as a sumo wrestler. The test evaluates whether the applicant has the necessary physique, health, vision, hearing, and overall physical suitability to endure not only the intense training but also the demanding lifestyle of sumo.

Held six times a year, prior to each official tournament, this exam serves as the first gateway to the sumo world. It’s not just a formal process but a way for the association to identify individuals who embody the characteristics of a future sumo wrestler. The ideal candidate is healthy, strong, and able to follow strict rules and discipline.

For foreign applicants, it’s not only about learning Japanese or adapting to customs, but also about assimilating into the traditions of sumo stables. Thus, the Shin-Deshi Examination is a comprehensive test of physical strength, mental resilience, and cultural adaptability.


Basic Requirements and Eligibility

To take the Shin-Deshi Examination, candidates must meet specific standards set by the association.

Examination CriteriaRequirements
Age15 years or older but under 23 (exceptions allowed)
HeightAt least 167 cm
WeightAt least 67 kg
VisionAt least 0.6 in both eyes without correction
HearingNormal hearing in both ears
Medical EvaluationNo significant issues with bones or internal organs

In some cases, flexibility is shown for those who don’t meet the height or weight requirements but demonstrate promise. Below are some special exceptions that may allow otherwise ineligible candidates to apply:

Exceptional CasesDetails
Height 166 cm, Weight 66 kgMay be permitted with separate measurement tests
National-level experience in sumoRecognized by the association as having strong potential

This system demonstrates that the sumo world, though strict, also values talent and willingness by providing opportunities for determined individuals.


Process and Details of the Shin-Deshi Examination

The application process starts with the submission of documents by the sumo stable to which the applicant wishes to belong. Once accepted, candidates report to a designated location, typically Ryogoku Kokugikan, to undergo a series of tests.

StepDescription
Application SubmissionThe sumo stable submits an official request to the Association
Check-in and GatheringCandidates arrive on time and complete the registration
Physical MeasurementHeight, weight, vision, and hearing tests are conducted
Medical CheckupInternal health, bones, and general fitness evaluated
X-ray and UrinalysisDetect hidden health risks, such as diabetes or bone issues
Final Medical ReviewComprehensive assessment determines pass/fail status

The evaluation is practical and strict, designed to ensure that the individual is physically and medically suited for the sport and lifestyle of sumo. Internal medicine and imaging tests assess not only current health but also long-term viability for competition.


Life After Passing the Examination

Once applicants pass the examination, they are officially registered as trainee wrestlers and begin life at their designated stable. The lifestyle is strict and regimented, with responsibilities that go beyond training, including cleaning, assisting senior wrestlers, and helping with meals.

Time of DayTypical Activities
5:00–7:00Morning training (technique, stamina building)
7:00–8:00Breakfast preparation and cleanup
9:00–11:00Cleaning, assisting in-house chores
12:00–13:00Lunch and post-meal duties
14:00–16:00Break time or errands
17:00–19:00Dinner prep and bathing
21:00Lights out and sleep

This strict routine not only builds physical strength but also cultivates discipline and respect for hierarchy. New trainees do not appear in official rankings right away. Instead, they must participate in maezumo, a pre-tournament set of matches to assess their readiness. The outcome of these matches can greatly influence their early career path.


Foreign Wrestlers and Unique Challenges

The Japan Sumo Association limits the number of foreign wrestlers to one per stable, aiming to preserve sumo’s identity as a traditional Japanese sport. However, foreign-born wrestlers have made significant contributions, with many achieving high ranks, including yokozuna.

Foreign applicants must clear several cultural and logistical hurdles in addition to passing the exam. The table below outlines some key expectations:

Key Aspects for ForeignersDetails
Basic Japanese LanguageAbility to understand training instructions
Visa or Residency StatusProof of long-term stay and eligibility
Respect for Sumo CultureWillingness to follow customs, hierarchy, and etiquette
Adaptability to LifestyleReadiness for communal living under strict rules

Passing the exam is just the beginning. From there, foreign wrestlers must earn trust and respect through daily effort and cultural understanding.


Conclusion

The Shin-Deshi Examination is the first and most essential step in becoming a professional sumo wrestler. It goes far beyond a physical check, evaluating the applicant’s fitness, character, and cultural adaptability. For foreign applicants, it also tests their willingness to immerse themselves in the traditions of Japanese sumo.

In this article, we’ve explained the criteria, process, post-acceptance lifestyle, and unique challenges for foreign wrestlers. For anyone interested in sumo, understanding this gateway offers valuable insight into what it truly means to pursue a career in this ancient sport.

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