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 heavy shot in round one by Sanders and almost knocked down right at the end of the round, but by using upper-body movement and accurate punching he broke down Sanders over the following rounds, forcing referee Jon Schorle to stop the bout in the eighth. Vitali landed 60% of his power punches. Klitschko's first WBC title defense was against British boxer Danny Williams. Williams had become suddenly marketable from a KO over Mike Tyson in round 4. Klitschko scored a technical knockout against Williams in 8 rounds on 11 December 2004, while wearing an orange cloth to show support for