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Tetsuya Yamato

Japanese martial artist

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 10, 2026
Entity authorityQ4921088 ↗
Source-derived summary

Tetsuya Iwashita (大和 哲也, Iwashita Tetsuya; born December 10, 1987), better known by his ring name Tetsuya Yamato, is a Japanese Muay thai fighter and kickboxer. He is the former K-1 Super Lightweight champion, the former WBC Muaythai and Lion Fight super lightweight champion, the former NJKF lightweight champion, as well as the K-1 WORLD MAX 2010 Lightweight Japan Tournament winner.

As of January 2023, he is ranked as the fourth best featherweight (-66 kg) kickboxer in the world by Combat Press and the eighth best super featherweight (-67.5 kg) by Beyond Kick. Combat Press has ranked him as a top ten featherweight since April 2022 and previously ranked him in the featherweight top ten between July and October 2015.

Background

Yamato was born in Chita, Aichi, Japan on December 10, 1987, as Tetsuya Iwashita. He took the name Yamato in honour of his gym, Yamato Kickboxing Gym. After graduating from high school he started working in construction, and became a painter to coat buildings with coloured acrylic resin.

Kickboxing career

Early career

On July 31, 2005, he made his debut as a professional kickboxer in the RISE organization, and he knocked out Eiji Ogawa in the first round with a left low kick. After this bout he signed NJKF and started fighting under their banner. His second fight was on September 24 at NJKF "Infinity Challenge VIII" against Takuya Minekawa, which he won by a third-round technical knockout.

Editorial summary

“Tetsuya Yamato” enters the record as japanese martial artist. Crown Archives preserves that source wording while asking what Tetsuya, Yamato and Japanese can confirm, complicate or overturn.

Editorial reviewStrongest as a route into the people, institutions and dated events that shaped the subject’s public record. The current lead gives the account dated anchors—1987, 2010, 2023, 2022—that can be checked directly. The linked authority record independently contributes the date 1987-12-10. Its strongest next move is a source search built around Tetsuya, Yamato and Japanese.
Editorial analysis

Why this record matters

“Tetsuya Yamato” is worth following because a concise public description often conceals a longer documentary argument. Here, Tetsuya, Yamato and Japanese provides the most credible route into that argument.

Evidence profile

The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Jul 10, 2026. The linked authority identifier is Q4921088. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1987, 2010, 2023 and 2022.

Critical limits

A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “Tetsuya Yamato”, its source revision and the description used here.
  2. Expand the search: follow Tetsuya Yamato primary sources, Tetsuya Yamato archive and Tetsuya research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Tetsuya Yamato”?
  2. How has the subject’s reputation changed across later accounts?
  3. Which claims depend on a single source or contested interpretation?
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Source & attribution

This entry incorporates text from “Tetsuya Yamato” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.