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 He stunned Lewis in the second round with two hard rights, leaving a cut under on Lennox's left eye. In the third, Lewis landed a big right hand that opened a deep cut above Klitschko's left eye. Before the seventh round, the ringside doctor inspected the wound and deemed it severe enough to threaten eye damage if struck again, stopping the fight despite Klitschko's pleas to continue. Klitschko was ahead on all three judges' scorecards 58–56 (4 rounds to 2) at the time of the stoppage, but because the wound was a result of punches from Lewis, Lewis won by