World No.1 and World No.2 will meet in Monday 's final at London 's O2 Arena . Defending champion Novak Djokovic will play Rafael Nadal in the final of the ATP World Tour Finals at London 's O2 Arena after both men comfortably overcame their Swiss opponents in Sunday 's semifinals . Nadal beat Roger Federer 7 - 6 6 - 2 while Djokovic beat Stanislas Wawrinka 6 - 3 6 - 2 . They have met three times on hardcourts this season with Nadal winning twice . Djokovic won in most recent encounter in China and is unbeaten in 21 matches .
World No.1 and World No.2 will meet in Monday 's final at London 's O2 Arena . Nadal beat Roger Federer 7 - 6 6 - 2 while Djokovic beat Stanislas Wawrinka 6 - 3 6 - 2 . They have met three times on hardcourts this season with Nadal winning twice . Djokovic won in most recent encounter in China and is unbeaten in 21 matches .