Hamburg - Ukraine heavyweight world champion Wladimir Klitschko is to fight Britain's David Haye on June 20, his management confirmed Thursday.
The bout will take place in Europe but a venue has yet to be established.
"The contracts are being signed today," Klitschko manager Bernd Boente of the Hamburg-based Klitschko Management Group said.
Several venues in Germany would like to stage the bout in which Klitschko will be defending his WBO and IBF titles against former cruiserweight champion Haye.