Ku qor sii wadida cutubkan - Duba wuxuu u ciyaaray xulka qaranka Czech ee da'da yar (Under 20) Horyaalka Adduunka ee 2000 Junior iyo 2001 Junior World Championships
Iswiidhan iyo Moscow. 2001 Championships wuxuu ku guuleystay abaalmarinta goolhayaha ugu fiican, isagoo u ciyaaraya SaiPa horyaalka Finland ee SM-liiga. Taariikhdan ka dib, wuxuu u ciyaaray xulka qaranka Czech.