ATP Finals: Novak Djokovic, Andy Murray face-off for No. 1 ranking

London: Andy Murray and Novak Djokovic will fight to finish as year-end world number one in Sunday's final of the ATP World Tour Finals in London. The Briton, 29, beat Milos Raonic in a gripping semi-final 5-7 7-6 (7-5) 7-6 (11-9) in three hours and 38 minutes to reach his first season-ending final, BBC reported on Saturday. Djokovic swept past Kei Nishikori 6-1 6-1 in his last four encounter. The winner will end the year top of the world rankings, the first time the battle for the top spot has been fought in the final match of the season. Notably, Murray had ended Djokovic’s 122 week-long run at the top of ATP rankings when he became World No. 1 last week. Murray will have his work cut out when he faces Djokovic after a marathon semi final against Raonic, while Djokovic had it easy against Nishikori.