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.

A stacked one night kickboxing tournament from the Netherlands.

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