Satoshi Ishii will make his KSW debut against former promotional champion Fernando Rodrigues Jr. at KSW 47 on Mar. 23 in Lodz, Poland.
KSW announced the fight via press release Wednesday.
Heavyweight champion, Philip De Fries, who Ishii holds a win over, is set to defend his title for the second time on the night when he faces light heavyweight champion Tomasz Narkun.
Ishii (19-8-1) has claimed notable wins over Tim Sylvia, Jeff Monson, Pedro Rizzo and Heath Herring since turning pro in 2009.