K-1 is a professional kickboxing promotion established in 1993, well known worldwide mainly for its heavyweight division fights and Grand Prix tournaments.

The top kickboxers in the world compete for the greatest prize in the sport.

The top kickboxers in the world compete for the greatest prize in the sport.

Legends Ernesto Hoost, Peter Aerts, Bob Sapp, and Mark Hunt fight for the greatest prize in kickboxing live at the legendary Tokyo Dome.

The top kickboxers in the world compete for the greatest prize in the sport.