A heavyweight division contest between IGF Heavyweight Champion Satoshi Ishii and UFC veteran Phillip De Fries will headline Inoki Genome Fight I, the bout is a non-title affair. Ishii will enter the fight riding a seven fight winning streak headlining into this bout, which includes victories over UFC vets Tim Sylvia, Kerry Schall, Sean McCorkle, Pedro Rizzo and Jeff Monson. De Fries has been undefeated since his UFC release, having defeated Strikeforce veteran Brett Rogers at Inoki Bom-Ba-Ye 2013. Inoki Genome Fight I takes place on April 5th from the Ryogoku Kokugikan in Tokyo, Japan with the aforementioned fight headlining.