Interstellar Tournament

The Interstellar Tournament (星間トーナメント) refers to a fighting tournament held in outer space featured in Interstellar.

List of champions

 * Lucas

Pre-Interstellar
Lucas and others entered this tournament, where Lucas eventually won by defeating Siri and May. Siri and May apparently fused and attempted to destroy the galaxy, but were killed by Lucas, who eventually disappeared.

Winner: Lucas