Men's Tennis: 5 facts about the ATP World Tour Finals

# Most successful Doubles Team

John McEnroe

American duo Peter Fleming and John McEnroe who won 6 Grand Slam doubles tournaments together also won the ATP Doubles Finals a record 6 consecutive times between 1978 and 1984.

McEnroe is the only man to win the singles and doubles ATP Finals event multiple times each. He won the ATP Finals in Singles category three times. The Bryan twins have won the ATP Finals trophy on 4 occasions and are joint second in the all-time list along with recently retired Canadian Doubles legend Daniel Nestor.

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# Most Singles titles

Roger Federer

Unsurprisingly Roger Federer tops the list of players with the most singles trophies at the ATP Finals. Federer who mas made a record 16 appearances in this event till date including an unbroken spell from 2002 to 2015, has made the final of the tournament on 10 different occasions, winning in 6 times and finishing as runner-up on 4 occasions.

His first title came in 2003, the same year he won the first of his eight Wimbledon crowns. Federer won the event again in 2004, 2006, 2007, 2010 and 2011. He will be looking to win a record-extending 7th title and will hope to fend off the challenge from newly crowned World Number 1 Novak Djokovic, who with 5 titles, will be looking to tie Federer on the all-time list.