K-1 World GP 2015 –60kg Championship Tournament was a kickboxing event held on January 18, 2015 at the Yoyogi National Gymnasium in Tokyo, Japan.

K-1 World GP 2015 -55kg Championship Tournament was a kickboxing event held on April 19, 2015 at the Yoyogi National Gymnasium in Tokyo, Japan.

[2] 1 Extra round K-1 World GP 2015 -70kg Championship Tournament was a kickboxing event held on July 4, 2015 at the Yoyogi National Gymnasium in Tokyo, Japan.

[3] K-1 World GP 2015 Survival Wars was a kickboxing event held on September 22, 2015 at the Korakuen Hall in Tokyo, Japan.

[4] K-1 World GP 2015 The Championship was a kickboxing event held on November 21, 2015 at the Yoyogi National Gymnasium in Tokyo, Japan.