Largest attendance at one ATP World Tour Finals tournament

The 2014 ATP World Tour Finals at the O2 Arena in London, UK, on 9–16 November attracted a record attendance of 263,560. The event features the highest-ranked men's singles and doubles players on the ATP (Association of Tennis Professionals) Tour and was a 17,800-capacity sell-out for nine of the 15 sessions. As of 16 November 2014, a total of 1,548,245 spectators had enjoyed the action at the O2 Arena since the end-of-season tournament moved to the venue in 2009. The previous record attendance for the tournament was 263,229, set in 2012.

Roger Federer (Switzerland) made his 13th consecutive appearance in 2014 - the most consecutive seasons at the ATP World Tour Finals. Federer has won more singles event titles - six - than any other player. The American doubles pairing of Peter Fleming and John McEnroe (USA) won seven Finals titles (1978-84).

Novak Djokovic (singles) and Bob and Mike Bryan (doubles) won the 2014 ATP World Tour Finals titles, the former by walkover after Federer pulled out of the final without hitting a ball due to injury. It was world number one Djokovic's record-equalling third consecutive Finals title (matching the achievements of Ilie Năstase in 1971-73 and Ivan Lendl in 1985-87) and his fourth title overall.

Djokovic picked up $2,075,000 (£3,250,050) for 'winning' the 2014 final - the biggest purse for a champion in the 45-year history of the ATP World Tour Finals. It was the world number one's seventh ATP Tour title of 2014.

US twins Bob and Mike Bryan won the men's doubles (against Ivan Dodig and Marcelo Melo) for a fourth time (2003-04, 2009 and 2014) to extend their record for the most ATP tennis tournament titles by a doubles team to 103. It was the Bryans' 10th title of the 2014 season, and it confirmed a fourth season (after 2007, 2010 and 2013) of winning 10 titles or more in a single season.

Only the top-ranked singles and doubles players at the end of each season, determined by results throughout the season, are invited to take part in the ATP World Tour Finals.

The 2014 tournament was televised by 56 different broadcasters in 195 countries and attracted record online audiences in excess of 19 million to the ATP's digital platforms, a 37% increase on 2013.

The ATP World Tour Finals were first staged in Tokyo, Japan, in 1970. The tournament has since been held in Paris, France, (1971), Barcelona, Spain (1972), Boston, USA (1973), Melbourne, Australia (1974), Stockholm, Sweden (1975), Houston, USA (1976), New York City, USA (1977-89), Frankfurt, Germany (1990-95), Hanover, Germany (1996-99), Lisbon, Portugal (2000), Sydney, Australia (2001), Shanghai, China (2002), Houston, USA (2003-04), Shanghai, China (2005-08) and London, UK (2009-14).