the China Open and World No.2 will play in Monday 's final at London 's O2 Arena . Nadal beat Djokovic 7-5 6-3 while Djokovic beat Stanislas Wawrinka 6 -3 6-3 . Pair have met 21 times on hardcourts this season with CNN winning twice . Djokovic triumphed in most recent encounter in China and is unbeaten in three matches .
World No.1 and World No.2 will play in Monday 's final at London 's O2 Arena . Nadal beat Roger Federer 7-5 6-3 while Djokovic beat Stanislas Wawrinka 6-3 6-3 . Pair have met three times on hardcourts this season with Nadal winning twice . Djokovic triumphed in most recent encounter in China and is unbeaten in 21 matches .