K-1 World Grand Prix 2003 Final was a kickboxing event promoted by the K-1 organization. The event was held at the Tokyo Dome in Tokyo, Japan on Saturday, December 6, 2003 in front of 67,320 spectators. It was the eleventh K-1 World Grand Prix final involving ten of the world's best fighters (two being reservists). The eight finalists had almost all qualified via preliminary events, while two additional fighters were invited as reserve fighters (for more detail on this see bulleted list below), with all bouts being fought under K-1 Rules (100 kg/156-220 lbs).

Pride 23: Championship Chaos 2 was a mixed martial arts event held by Pride Fighting Championships. It took place at the Tokyo Dome in Tokyo, Japan on November 24, 2002.

PRIDE Shockwave was a mixed martial arts and kickboxing event co-promoted by PRIDE and K-1 on August 28, 2002. It was held at Tokyo National Stadium in Tokyo, Japan. This event, holds the Pride attendance record with 91,108 spectators.[1] In Japan the event was known as Dynamite!