Wladimir Klitschko Universum Box-Promotion in Hamburg under the tutelage of Fritz Sdunek, often being featured on fight cards alongside his elder brother Vitali. After building an undefeated record of 24–0 with 22 KOs, he suffered his first loss to 24–13–1 Ross Puritty, in what was Klitschko's first and only professional fight in Ukraine. Puritty forced Klitschko, who had at that time not gone beyond 8 rounds, to punch himself out. Klitschko began to be overwhelmed in the 10th round and went down twice but was allowed to continue. At the start of the 11th round, with Puritty continuing to land hard punches,
Vitali Klitschko was reelected as mayor on 15 November 2015. Originally, Klitschko was an amateur kickboxer with a record of 34–2 with 22 knockouts. Amateur boxing record: 195 wins, 15 losses. kickboxing record: 34–2 with 22 knockouts. He was a kickboxing world champion six times (four in professionals and two in amateurs). In 1996, he turned boxing professional. As an amateur, Klitschko won the super-heavyweight championship at the first World Military Games in Italy in 1995. In the same year he won a silver medal at the World Championships in Berlin, Germany, where he was defeated by Russia's Alexei Lezin in the