Klitschko brothers represented Ukraine at the 1996 Olympics, winning a gold medal in the super-heavyweight division. In 1996, when still an amateur, Vitali Klitschko tested positive for a banned substance and was removed from the Ukrainian boxing team. In June 1999, Vitali Klitschko won the WBO Heavyweight title from Herbie Hide via second-round knockout. He successfully defended the title twice before losing it to Chris Byrd. Six months later, younger brother Wladimir dethroned Byrd via lopsided points decision. He registered five successful title defenses, all by TKO until suffering an upset TKO loss to Corrie Sanders in March 2003. Vitali Klitschko lost
Vitali Klitschko After Wladimir Klitschko had to cancel his fight with Jean-Marc Mormeck, it was thought that Vitali was likely to fight on 25 February 2012. Sources in Germany reported that he was likely to fight British contender Dereck Chisora on 18 February 2012 in Olympiahalle, Munich, Bayern. It was confirmed on 12 December 2011 that Dereck Chisora would be Vitali Klitschko's next opponent. Vitali Klitschko retained his WBC Championship belt unanimously in a dominant display in Munich. The fight was fought against a backdrop of antagonism displayed by the contender Dereck Chisora at the weigh in. Chisora slapped Klitschko across the