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 that the referee should have stopped the bout during the last few rounds. Klitschko had retained his belt with official scores of 120–107, 120–105, and 120–107. During the post-fight interview, the American boxer Briggs said: "I've fought George Foreman, I've fought Lennox Lewis, and Vitali's the best." While Klitschko did not knock down Briggs, the latter collapsed after the fight and was hospitalized with facial fractures and a torn biceps. Klitschko's next fight was against mandatory challenger Odlanier Solis. The bout was tentatively scheduled for March 2011. On 11 January, it was officially confirmed that the fight between Klitschko and