Starting in February at IGF Genome 14, IGF began a title tournament to crown a new Heavyweight Champion and Barnett not only continued his winning streak but he advanced to the semi-finals of the tournament with his victory over Montanha Silva. In July at IGF Genome 16, he defeated Bobby Lashley with a cross armbreaker to advance to the finals of the title tournament. Was scheduled to face Jérôme Le Banner for the IGF Heavyweight Championship in a tournament final scheduled for August 27 at the IGF Super Stars Festival 2011. However, it was announced on August 19 that Barnett had to pull out of the match up and Le Banner was declared the first ever IGF champion on August 22. However, Josh Barnett would get his shot at the IGF Heavyweight Championship on December 2 against the champion, Jerome Le Banner. Barnett would lose the contest by knockout.