World Championships 2007 in Belgrade was the third heaviest of the K-1 tournaments, involving ten fighters from two continents (Europe and Africa).
Each of the matches was three rounds of two minutes each and were fought under K-1 rules.
Due to the small number of fighters unsuitable for a sixteen-man tournament, six of the men had byes through to the quarter-finals.
The tournament champion was Bosnian Dženan Poturak (brother of K-1 heavyweight Dževad) who defeated Croat Ivan Stanić in the final to win gold.
Defeated semi finalists Belarusian Siarhei Krauchanka and Azerbaijani Zaur Alakbarov both won bronze.