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.
Yuta Kubo
Hitoshi Tsukakoshi
Melsik Baghdasaryan
Mohan Maharjan
Minoru Kimura
Wenbao Han
Kazuki Yamagiwa
Daiki Watabe
Keita Makihira
Kenji
Takeru Segawa
Junguang Wang
Taiga Kawabe
Stavros Exakoustidis
Yoshiki Takei
Namito Izawa
Hinata Watanabe
Sergio Sanchez
Hirotaka Urabe
Masahiro Yamamoto
Koji Tanaka
Kotaro Shimano
Jin Hirayama
Toshiki Watanabe
Taichi Furuta
NORI