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 rightful claim to being the champion and the stakes for the future of the heavyweight division were high. Despite some questioning Vitali's decision to return after four years, he managed to regain his title in dominating fashion. Klitschko had Peter intimidated from the first round and stunned him with accurate hard punches. Klitschko kept the hard-punching Nigerian off with an effective left jab and took control in the center of the ring. Over eight rounds, Klitschko completely dismantled and outfought the younger champion. After the eighth round, Peter slumped on his stool, shook his head and asked that the bout