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.
Source: “Tetsuya Yamato”, English Wikipedia (CC BY-SA 4.0), excerpt