The year 2001 was the first year in the history of Deep, a mixed martial arts promotion based in the Japan. In 2001 Deep held 3 events beginning with, Deep: 1st Impact.
Deep: 1st Impact was an event held on January 8, 2001 at the Aichi Prefectural Gymnasium in Nagoya, Japan.
Deep: 2nd Impact was an event held on August 18, 2001 at the Yokohama Cultural Gymnasium in Yokohama, Japan.
Deep: 3rd Impact was an event held on December 23, 2001 at the Differ Ariake in Tokyo, Japan.