Serbia to beat Czech Republic in Davis Cup final in November . Serbia beat Canada 3 - 0 in final in November . Serbia , with Djokovic the key influence , won the Davis Cup in 2010 , but are without Viktor Troicki , who is serving an 18 month doping ban handed down by the International Tennis Federation . Novak Djokovic and Janko Tipsarevic win final day singles matches . Serbia return to the World Group with win over Croatia .
Serbia to beat Czech Republic in Davis Cup final in November . Serbia beat Canada 3 - 0 in final in November . Novak Djokovic and Janko Tipsarevic win final day singles matches . Serbia return to the World Group with win over Croatia .