Djokovic cruised in the first , needing a mere 22 minutes and dropping 11 points . Novak Djokovic defeats Kei Nishikori to reach the final at the World Tour Finals . Djokovic drops his first set of 15-30 but prevails 6 -1 3-6 6 -0 in a mere 22 minutes . He will face Roger Federer in the final after the World Tour Finals topped fellow Stan Stan Wawrinka . Federer saves 6 match points as he improves to 11 -0 versus Wawrinka on hard courts .
Novak Djokovic defeats Kei Nishikori to reach the final at the World Tour Finals . Djokovic drops his first set of 15-30 but prevails 6 -1 3-6 6 -0 in a mere 22 minutes . He will face Roger Federer in the final after the World Tour Finals topped fellow Stan Stan Wawrinka . Federer saves 6 match points as he improves to 11 -0 versus Wawrinka on hard courts .