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
Vitali Klitschko his own. After the Johnson bout, Klitschko's camp began negotiations for a potential fight with former WBA Champion Nikolai Valuev, but the match failed to materialize due to economic disagreements. On 29 May 2010, Vitali Klitschko defeated Polish heavyweight contender Albert Sosnowski by KO at 2:30 in round 10 of 12. Sosnowski was knocked down by a right hand in the 10th round, prompting referee Jay Nady to immediately wave off the fight. The fight took place at Veltins-Arena, Gelsenkirchen, Nordrhein-Westfalen, Germany. Vitali Klitschko weighed in at 112 kg (247 lbs), while Sosnowski weighed in at 110 kg (242.5 lbs).