Tetsuya Yamato
Japanese martial artist

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.
“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.
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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.
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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.