World Extreme Cup was an annual singles league tournament held in Big Japan Pro Wrestling to determine the strongest wrestler in the promotion for the year. The tournament would be held over the course of several shows in April, May and August.
The first World Extreme Cup took place over the course of twelve days from April 25-May 14, 2000. In this year's league, there were thirteen participants separated into three blocks. The points leaders from each block received entry into the tournament. Before the tournament it was done a tournament to decide the third participant on block C. The winner of the tournament to decide the third participant was Tomoaki Honma.