Vitali Klitschko for the past ten years prior to election day; and Klitschko had lived for many years in Ukraine and Germany, where, according to media reports, he has a residence permit. Opinion polls since early 2011 showed that the predicted percentage of votes that Klitschko would gain in the first round of the 2014 Ukrainian presidential election enlarged from 4.8% in December 2011 to 15.1% in February 2013, and an October 2013 Razumkov Centre poll predicted 19.3%. Klitschko was one of the dominant figures of the Euromaidan protests. During these protests, he retired from boxing. He confirmed on 28 February 2014
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