K-1 World Grand Prix 2002 Final was a kickboxing event promoted by the K-1. The event was held at the Tokyo Dome in Tokyo, Japan on Saturday, December 7, 2002 in front of 74,500 spectators. It was the tenth K-1 World Grand Prix final, involving ten of the world's top fighters (two being reservists), with all bouts fought under K-1 Rules (100 kg/156-220 lbs). 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). In total there were ten fighters at the event, representing eight countries.

K-1 Grand Prix '99 Final Round was a martial arts event promoted by the K-1 organization. It was the seventh K-1 World Grand Prix final involving eight of the world's best fighters, with all bouts fought under K-1 Rules. The eight finalists had all qualified via elimination fights at the K-1 World Grand Prix '99 Opening Round. Also on the card was a number of 'Freshman Fights' and an 'Opening Fight' fought under a mixture of Jiu-Jitsu and K-1 Rules (various weight class) and two 'Super Fights' fought under K-1 Rules (various weight classes). In total there were twenty fighters at the event, representing eight countries.

K-1 World Grand Prix 2006 in Tokyo Final was a kickboxing promoted by the K-1. The tournament qualifiers had all qualified via elimination fights at the K-1 World Grand Prix 2006 in Osaka Opening Round. Losing fighters Musashi and Ray Sefo were invited as reserve fighters while Badr Hari and Paul Slowinski would face one another in a 'Super Fight'. Peter Aerts and Melvin Manhoef were also invited to the event as reservists. As well as tournament bouts there were also a number of 'Opening Fights' primarily involving local fighters, fought under K-1 Rules. In total there were eighteen fighters at the event, representing ten countries.

K-1 World Grand Prix 2004 Final was a kickboxing event promoted by the K-1 organization. It was the twelfth K-1 World Grand Prix final, involving twelve of the world's best K-1 fighters (four being reservists) from eight countries, with all bouts fought under K-1 Rules (100 kg/156-220 lbs). The tournament qualifiers had almost all qualified via the K-1 World Grand Prix 2004 Final Elimination with the exception of Remy Bonjasky who was the reigning champion.