The Essence of “Katasukashi”: A Technique That Enriches Sumo and a Fascinating Japanese Expression

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.

Katasukashi is a winning technique in sumo where a wrestler sidesteps and uses the opponent’s momentum to topple them. Beyond the ring, the word is also widely used in daily Japanese to mean an “anticlimax” or “letdown.” For beginners and international fans, learning about katasukashi makes both watching sumo and understanding Japanese culture far more enjoyable.

What Is Katasukashi?

Katasukashi is counted among the 82 kimarite (winning techniques) in sumo. When an opponent charges forward, the wrestler swiftly shifts sideways and pushes the shoulder, causing the opponent to stumble and fall.

The key is not “fighting strength with strength,” but using the opponent’s momentum against them. Even a smaller rikishi can topple a larger opponent with proper timing. For this reason, katasukashi has often been described as the technique of “the small defeating the big.” It is one of the most thrilling and tactical moves on the dohyo.


Flow and Key Points of Katasukashi

Basic Sequence

  1. The opponent charges forward with force
  2. The wrestler avoids the head-on clash by stepping sideways
  3. The shoulder is lightly pushed to break balance
  4. The opponent stumbles and falls

From this sequence, we see that katasukashi depends on skill and timing rather than sheer strength.

Keys to Success

  • Timing: Matching the opponent’s initial charge
  • Reading: Studying the opponent’s habits and tendencies
  • Calmness: Avoiding panic, which leads to being overpowered

Why Katasukashi Is So Fascinating

For spectators, katasukashi creates surprise and drama. While everyone expects a clash of strength, the bout may suddenly end with a subtle sidestep. This contrast highlights the artistry of sumo techniques.

Katasukashi is not mere evasion. It is an offensive counter-technique that punishes overcommitment. It requires preparation, research, and the ability to read the opponent’s mindset, which makes it one of the most intellectual moves in sumo.


When Katasukashi Is Most Effective

Opponent’s StyleEffect
Charges with speedBalance breaks easily
Large wrestler leaning forwardMomentum can be redirected
Uses thrusting attacksArms overextend, body unstable
Attacks from low stanceEasier to topple sideways

The irony of katasukashi is that the more aggressively the opponent attacks, the easier they fall.


Risks and Difficulty of Katasukashi

While spectacular when successful, katasukashi is risky. If mistimed, the wrestler ends up directly in front of the charging opponent, often resulting in a push-out or force-out loss.

Spectators may also view it as avoiding a fair power contest, leading to mixed reactions. It is a high-risk, high-reward technique: win with brilliance, or lose quickly if misjudged.


Famous Matches Featuring Katasukashi

WrestlerContextSignificance of Katasukashi
ChiyonofujiUsed as a smaller wrestler against giantsSymbol of “small defeating big”
MainoumiFrequently applied it as a surpriseNicknamed the “Department Store of Techniques”
Modern lightweightsAgainst top-ranked heavy rikishiA crucial strategy to find victory

Moments where a massive rikishi suddenly collapses embody the essence of sumo’s unpredictability.


Comparison with Other Techniques

TechniqueFeatureDifference from Katasukashi
Oshidashi (push-out)Uses frontal pushing powerPure power contest
Uwatenage (overarm throw)Uses grip and arm strength to throwRequires added force
KatasukashiSidesteps and redirects momentumUses opponent’s own strength

This contrast shows that katasukashi is a “strategic and intellectual kimarite.”


Katasukashi in Daily Language

Outside sumo, “katasukashi” is a common metaphor meaning anticlimax or letdown.

Examples:

  • “I was excited for the big announcement, but it was canceled—I felt katasukashi.”
  • “The debate I prepared for ended without discussion—a total katasukashi.”
  • “I braced for a strong attack, but nothing happened—it was a katasukashi.”

Thus, it conveys the feeling of being disappointed or underwhelmed.


Explaining Katasukashi to Foreigners

In English, the sumo technique can be described as “sidestep shoulder technique” or “dodging shoulder maneuver.”

As a figurative expression, the closest English terms are “letdown” or “anticlimax.”

Examples:

  • “The cancellation of the concert was a real letdown.”
  • “His performance after all the hype felt like an anticlimax.”

This dual meaning reflects both the physical artistry in sumo and the linguistic richness of Japanese.


Katasukashi as Psychological Warfare

Katasukashi is as much about psychology as it is about movement. Success often comes when the opponent’s mental state is predictable.

Opponent’s MentalityEffect
Overeager to win quicklyEasier to topple with katasukashi
Determined to fight head-onVulnerable to being sidestepped
Underestimates smaller opponentRisk of shocking defeat

In this sense, katasukashi is “a battle of wits” on the dohyo.


Conclusion

Katasukashi is a strategic sumo technique that uses the opponent’s power against them. In everyday language, it means “to be let down” or “anticlimax.” On the dohyo, it has created countless memorable moments where a smaller wrestler topples a giant.

For foreign spectators, understanding katasukashi offers deeper insight into sumo’s variety beyond sheer power. It highlights the balance of strength, skill, and psychology that makes sumo unique.

Katasukashi embodies both the tactical diversity of sumo and the expressive depth of the Japanese language. Recognizing it during a match adds a new dimension to enjoying the sport.

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