Description:Victories by Novak Djokovic and Ana Ivanovic in their singles matches on Friday (January 4) saw Serbia through to a Hopman Cup final against Spain. Djokovic beat Germany's Tommy Haas comprehensively 6-2 6-0 with the German later pulling out of the mixed doubles match with a toe injury. Ana Ivanovic was also dominant against Tatjana Malek of Germany who she beat 6-0 6-1 in 37 minutes.(1:28)