The bout will be held at the Pyramids of Giza in Egypt and will stream live on DAZN.

Usyk said: "I truly respect people who reach the very top in their sport. Rico is one of them - a powerful athlete and a great champion. He's truly the king of Kickboxing. Being a champion isn't just about belts.

"I'm ready and looking forward to meeting him in the ring. It's going to be a unique experience for both of us, a big night is coming!"

Verhoeven added: "I spent twelve years as the undisputed heavyweight kickboxing champion and accomplished everything I set out to accomplish. But staying at the top for that long didn't take away from the hunger, it strengthened it.

"Usyk is the undisputed in boxing. That's the kind of challenge that motivated me. Undisputed versus undisputed. The best versus the best."

The heavyweight title fight, aptly named "Glory in Giza", will be the first ever to feature in Egypt.

Usyk (24-0, 15 KOs), The Ring, WBC, WBA and IBF titleholder, hasn't fought since a fifth-round knockout win over Daniel Dubois at Wembley Stadium in London last summer.

Verhoeven is a kickboxing legend who was promotional company GLORY's longest-reigning heavyweight champion. He's competed once as a boxer before, in 2014, and he won by second-round KO. As a kickboxer, his record stands at 66-10, 21 KOs.

Usyk is The Ring's pound-for-pound No. 1 fighter in the world and is a three-time, two-weight undisputed champion.