How long can he keep it up? World #2 Novak Djokovic reached the final of his home town tournament in Serbia with a walk over Janko Tipsarevic on Saturday. Djokovic has now reached 5 consecutive finals (winning 4) and has not lost on tour since the ATP World Tour finals in December 2010. HIs 26-0 start to 2011 is the best beginning of a season since Ivan Lendl's 25-0 in the 1980s.
