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,
Klitschko brothers from the boxing community, commonly being described as "boring" or "robotic". While initially an exciting fighter, a series of losses led him to hire legendary boxing trainer Emmanuel Steward to cultivate his defensive abilities. At 6′ 6″, and one of the largest heavyweights in the division, Wladimir typically relies on an excellent jab to keep opponents at arms reach, and then clinching opponents once they get too close. This was meant to fatigue opponents before he would knock them out in the later rounds or win on scorecards. Klitschko brothers Vitali Klitschko (born 19 July 1971) and Wladimir Klitschko (born