Wladimir Klitschko Wladimir Klitschko Wladimir Wladimirowitsch Klitschko (born 25 March 1976) is a Ukrainian former professional boxer who competed from 1996 to 2017. He held the world heavyweight championship twice, including the WBA (Super), IBF, WBO, IBO, "Ring" magazine and lineal titles. A strategic and intelligent boxer, Klitschko is considered to be one of the best heavyweight champions of all time. He was known for his exceptional knockout power, using a strong jab, straight right hand and left hook, as well as excellent footwork and mobility, unusual for boxers of his size. As an amateur, Klitschko represented Ukraine at the 1996 Olympics,
Wladimir Klitschko out of the fight due to not being fully recovered from a torn abdominal muscle. On 5 March, it was instead announced that the highly anticipated fight against David Haye would take place on 2 July 2011. The fight was contingent on Klitschko's recovery from a torn abdominal muscle injury. The contract was written so that if Klitschko was not fully healed, then Haye would fight his brother, Vitali. Klitschko fought David Haye in a heavyweight unification fight for the WBA (Super), WBO, IBF, IBO and "The Ring" Heavyweight titles. The fight took place at the Imtech Arena, Hamburg, Germany