Masahiro Yamamoto

Krush 73 was a kickboxing event promoted by K-1 Japan Group, held on February 18, 2017 at Korakuen Hall in Tokyo.

Krush 40 was a kickboxing event held on April 15, 2014 at Korakuen Hall in Tokyo, Japan. The double main event featured a Krush -70kg title match between Yasuhiro Kido and Hiroki Nakajima and a bout for the vacant Krush -67kg title between Yuya Yamamoto and Keita Makihira. The card also included super fights for Masahiro Yamamoto against Yannis El Hajaoui and Shintaro Matsukura against Onder Ural.

Krush 47 was a kickboxing event held on November 9, 2014 at Korakuen Hall in Tokyo, Japan. In the main event, Kotaro Shimano and Hirotaka Urabe fought for the vacant fourth Krush -60kg title, and in the semi-final Masahiro Yamamoto faced Junpei Aotsu.

Krush 71 was a kickboxing event promoted by K-1 Japan Group, held on December 18, 2016 at Korakuen Hall in Tokyo.

Krush 56 was a kickboxing event promoted by K-1 Japan Group (Krush), held on August 14, 2015 at Korakuen Hall in Tokyo.

Krush 54 was a kickboxing event promoted by K-1 Japan Group (Krush), held on May 4, 2015 at Korakuen Hall in Tokyo.

Krush 61 was a kickboxing event promoted by K-1 Japan Group (Krush), held on December 4, 2015 at Korakuen Hall in Tokyo.

The K-1 WORLD GP 2017 JAPAN takes place on September 18, 2017, at the Saitama Super Arena Community Arena in Saitama, Japan. This event includes an eight-man tournament to determine the welterweight champion with fighters Yuta Kubo and Minoru Kimura. Takeru Segawa defends his featherweight title against Junguang Wang. Taiga and Yoshiki Takei compete in non-title superfights.