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 to Klitschko in 2008, in which Peter had tried to box from the outside. He therefore employed a game-plan which involved applying constant pressure to Vitali in order to force him into a high tempo fight. Despite his best efforts, the bout became one sided very quickly. Klitschko consistently proved himself faster, sharper and much fitter than Arreola. On 12 December, Vitali defeated Kevin Johnson by unanimous decision, winning almost every round. Johnson, a skillful fighter, tried to negate Klitschko's strength with angles and head movement. Though he proved hard to hit, he failed to launch any sustained attack of