Top New Zealand boxing prospect Joseph Parker will have a West Indian challenge on his hands when he fights on the undercard of Vladimir Klitschko's world title bout next month.

The 22-year-old heavyweight will take on 42 year old veteran Sherman 'The Tank' Williams on April 27 in Germany.

The fight will take place in Oberhausen in Germany, with the main event to see Wladimir Klitschko take on Samoan-borna, New Zealand-raised Australian Alex Leapai to defend his WBA, IBF, WBO and IBO titles.

Parker currently has a 7-0 record in his fledgling boxing career.