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
Lennox Lewis vs. Vitali Klitschko Klitschko rebounded to take round four in which both fighters appeared to be fatigued. In round five, Lewis landed several consecutive hard punches to Klitschko's ribs with his right hand while in a clinch with Klitschko, with HBO commentators disagreeing on the legality of the punches. By the time round five had ended, the condition of Klitschko's eye had grown worse, with the corner camera broadcasting the severe open wound, but he was nevertheless allowed to continue into round six. Lewis took advantage of Klitschko's impaired vision to land a monstrous uppercut in the sixth round. By now both fighters