Alexander Povernov his main opponent was Sebastian Kber(born 28 May 1979) , in 2004 he lost in the first round against Kubrat Pulev
One of his main opponents was Stefan Kober, brother of Sebastian Kober, who beat him on points in 2003 but whom he KOd 2004. The hard punching Povernov could win the German Championships at heavyweights with 201 lb/91 kg limit in 2000, 2004, 2005 and 2006. At the European Championships 2004 he lost in the first round against Kubrat Pulev. At the World Championships 2005 he lost his semi final controversially to eventual winner Aleksandr Alekseyev and won bronze. At the 2006 European Amateur Boxing Championships he beat Clemente Russo 30:21 but lost to Roman Romanchuk and again won bronze. At the World Championships 2007 he beat Polish Deontay Wilder conqueror Krzysztof Zimnoch 18:10 but exited early against Italian surprise winner Clemente Russo 5:17 . He failed to qualify for the 2008 Olympics. Lost to Alexander Povetkin (Russia) RSC-4 Sebastian Kober (born 28 May 1979 in Frankfurt (Oder), Brandenburg) is a German boxer, who won the Heavyweight bronze medal at the 2000 Summer Olympics in Sydney, Australia. 
