Former unified world heavyweight champion Tyson Fury will compete against Braun Strowman at a WWE event in Saudi Arabia on 31 October.
Fury, 31, has appeared twice on WWE in recent weeks and has already started a feud with Strowman.
Speaking at the announcement of their bout, Fury said: "I fear no man. I am going to knock Strowman out."
Strowman, whose real name is Adam Scherr, said: "Tyson heed my warning. In the WWE, we don't wear gloves."
He added: "You are climbing into my world. You are a household name and when these hands put you down for good, the whole world will remember who the monster among men Braun Strowman is."