Shirai qualified for the tournament on Saturday, March 14 with a third-round submission win over Yoon Young Kim at clubDEEP.
Shirai, a teammate of Ryo Chonan, competed in a non-title fight this past December against a DEEP Middleweight champion Yuichi Nakanishi and won by decision.
DREAM.8. ~ Welterweight 2009 1st Round~
Date: April 5, 2009 16:00~
Place: Gaishi Hall, Aichi
* Hayato "Mach" Sakurai
* Shinya Aoki
* Seichi Ikemoto
* Yuya Shirai
* Hideo Tokoro vs Daiki "DJ Taiki" Hata
* Minowaman vs Katsuyori Shibata
* Zelg "Benkei" Galesic vs Andrews Nakahara