ATP Finals explained

ATP Finals
Logo Size:220px
City:Turin, Italy (2021–25)
Venue:Palasport Olimpico
Category:Year-end Championships
Surface:Hard (indoor)
Draw:8 Singles / 8 Doubles
Website:nittoatpfinals.com
Prize Money: (2023)
Completed Event:2023
Singles: Novak Djokovic
Doubles: Rajeev Ram
Joe Salisbury

The ATP Finals is the season-ending championship of the ATP Tour. It is the most significant tennis event in the men's annual calendar after the four majors, as it features the top eight singles players and top eight doubles teams based on their results throughout the season. The eighth spot is reserved, if needed, for a player or team who won a major in the current year and is ranked from ninth to twentieth.

The tournament uses a unique format not seen in other ATP Tour events, where the singles players and doubles teams are separated into two groups of four, within which they each play three round-robin matches. After the round-robin stage, the top two performers from each group play in knock-out semifinals and a final to determine the champion(s).

The tournament was first held in 1970, shortly after the beginning of the Open Era. Novak Djokovic holds the record for the most singles titles with seven, while Peter Fleming and John McEnroe jointly hold the record for the most doubles titles with seven (all won consecutively as a team).

In the tournament's current format, the champion can earn a maximum of 1,500 ranking points, if they win the event after going undefeated in the round-robin stage. By winning the 2022 title, Djokovic earned a record $4,740,300, the highest payout for a tournament winner in tennis.[1] Also that year, Rajeev Ram and Joe Salisbury claimed $930,300, the highest payout in doubles history.[2]

Tournament

History

The ATP Finals is the fifth iteration of a championship which began in 1970. It was originally known as the Masters Grand Prix and was part of the Grand Prix tennis circuit.[3] It was organised by the International Lawn Tennis Federation (ILTF) and ran alongside the competing WCT Finals from 1971 to 1989. The Masters was a year-end showpiece event between the best players on the men's tour, but did not count for any world ranking points.

In 1990, the Association of Tennis Professionals (ATP) took over the running of the men's tour and replaced the Masters with the "ATP Tour World Championships". World ranking points were now at stake, with an undefeated champion earning the same number of points they would earn for winning one of the four Grand Slam events.[4] The ITF, who continued to run the Grand Slam tournaments, created a rival year-end event known as the Grand Slam Cup, which was contested by the 16 players with the best records in the Grand Slam tournaments of the season (1990–99).

In December 1999, the ATP and ITF agreed to discontinue the two separate events and create a new jointly-owned event called the "Tennis Masters Cup". As with the Masters Grand Prix and the ATP Tour World Championships, the Tennis Masters Cup was contested by eight players and teams. However, the player or team ranked number eight in the ATP Race world rankings was not guaranteed a spot: if a player or team won one of the year's majors and finished the year ranked from ninth to twentieth, they were included in the Tennis Masters Cup instead. If two outside the top eight won majors, the higher-ranked of the two in the world rankings took the final spot. This accommodation for major champions continues in the event's current form.

In 2009, the championship was renamed the "ATP World Tour Finals" and was held at The O2 Arena in London. The contract ran through 2013,[5] but was extended multiple times until it was last held there in 2020.[6] [7] [8] In 2017 the event was renamed the "ATP Finals."[9] [10] In April 2019, the ATP announced that Turin would host the ATP Finals from 2021 to 2025.[11]

YearsChampionships name
1970–89Masters Grand Prix
1990–99ATP Tour World Championships
2000–08Tennis Masters Cup
2009–16ATP World Tour Finals
2017–ATP Finals
For most of its history, the event has been considered the most important indoor tennis tournament in the world (there were a few exceptions when the event was held outdoors: 1974 in Melbourne & 2003–04 in Houston). The indoor atmosphere allows for controlled conditions of play, both in terms of the court surface and the court's illumination.

In recent years it has been played on indoor hard courts, however, indoor carpet was used in some previous editions. On one occasion, when Melbourne hosted the event in 1974, the grass courts of Kooyong Stadium were used;[12] the tournament was staged only 1–2 weeks before the 1975 Australian Open, which was also played on grass. Apart from 1974, all tournaments have been on a hard court variant, which has prompted calls from some players (such as Rafael Nadal)[13] to feature a greater variety of surfaces, including clay courts.[14] [15]

For many years, the doubles event was held as a separate tournament staged the week after the singles competition, but more recently both events have been held together during the same week and in the same venue.

In 2020, amid the COVID-19 pandemic and in an effort to reduce the number of staff on-site, the ATP introduced live electronic line-calling powered by Hawk-Eye Live. Instead of line umpires, the system detects the relevant movements of the player and where the ball bounces on court. A pre-recorded voice announces "Out", "Fault", and "Foot fault". Also, video review was also introduced for suspected double bounces, touches, and other reviewable calls.[16] [17]

The tournament has traditionally been sponsored by the title sponsor of the tour; however, in 1990–2008 the competition was not sponsored, even though the singles portion of the event, as part of the ATP Tour, was sponsored by IBM. In 2009, the tournament gained Barclays PLC as its title sponsor.[18] Barclays confirmed in 2015 that they would not renew their sponsorship deal once it expires in 2016.[19] On 25 May 2017, it was announced that Nitto Denko would be the main sponsor for the tournament through 2020.[20] In September 2020, Nitto Denko announced it will extend its title partnership of the ATP Finals for another five years, until 2025.[21]

Qualification

The criteria to qualify for the ATP Finals are as follows:

  1. Players and teams who finish the season ranked in the top seven in the ATP race automatically qualify.
  2. The eighth spot is reserved for a player or team who won a major in the season and is ranked from eighth to twentieth. Goran Ivanišević in 2001, Albert Costa in 2002, Gastón Gaudio in 2004, and Marin Čilić in 2014 are the singles players who have qualified due to their major title despite not ending in the top eight in the ATP race.
  3. If more than one player or team won a Grand Slam event in the season and are ranked from eighth to twentieth, then whoever is highest-ranked is awarded the eighth spot; whoever is second highest-ranked is made first alternate.
  4. If there is no player who won a major in the season and is ranked from eighth to twentieth, then the eight spot is awarded to the player ranked eighth.

Two alternates also attend the ATP Finals. If the first alternate has already been selected according to (3) mentioned above, then the second alternate is the highest-ranked player who has not otherwise qualified for the event. If both alternate spots are available, they are awarded to the two highest-ranked players who did not otherwise qualify for the event.

An alternate can replace a player who withdraws before the round-robin stage is over, so long as the player who withdraws still has at least one round-robin match left to play. When an alternate enters the competition, his results are considered separately, i.e. the alternate does not inherit the results of the player he is replacing. If an alternate's round-robin results qualify him for the semifinals, then he may continue into the single-elimination rounds.

Format

Unlike other events on the ATP Tour, the ATP Finals is not a straightforward single-elimination tournament. The eight players and teams are divided into two groups of four and each play three round-robin matches against the others in their group. After the round-robin stage, the top two performers in each group advance to the semifinals in a knock-out stage. The two winners of the semifinals play a final to determine the champion. In this format, it is theoretically possible to advance to the semifinals with two round-robin losses, but no player in the history of the singles tournament has won the title after losing more than one round-robin match.

To create the groups, the eight players and teams are seeded according to rank. The first and second seeds are placed in Group A and Group B, respectively. The remaining seeds are drawn in pairs (third and fourth, fifth and sixth, seventh and eighth); the first of the pair to be drawn goes to Group A and the other to Group B, and so on.

The format described above has been in place for all editions of the tournament except the following years:

Group standings

Since 2019, the group standings at the end of the round-robin stage are determined by, in order:[22]

If some players are tied, the following tiebreakers are used depending on how many players are tied (two or three):

If two players are tied, then:

If three players are tied, then the following tiebreakers are used, in order, until all three players are no longer tied OR until only two players are tied, at which point the two-player tie is broken by the head-to-head round robin result:

When calculating tiebreakers, a match that ended in a retirement is counted as a 0–2 sets loss for the retiring player and a 2–0 sets win for their opponent, regardless of the actual score when the retirement occurred. When calculating the "Highest % of games won" tiebreaker, a match that ended in a retirement is disregarded.

Singles venues

ATP Finals is the men's premier indoor event of the season, only in three editions it was played outdoors; 1974, 2003 and 2004.

Years[23] CitySurfaceStadiumCapacity
1970 Tokyo, JapanCarpet (i)Tokyo Metropolitan Gymnasium[24] 6,500
1971 Paris, FranceHard (i)Stade Pierre de Coubertin[25] 5,000
1972 Barcelona, SpainPalau Blaugrana[26] 5,700
1973 Boston, United StatesBoston Garden[27] [28] 14,900
1974 Melbourne, AustraliaGrassKooyong Stadium[29] 8,500
1975 Stockholm, SwedenCarpet (i)Kungliga tennishallen[30] 6,000
1976 Houston, United StatesThe Summit[31] 16,300
1977–1989 New York City, United StatesMadison Square Garden18,000
1990–1995 Frankfurt, GermanyFesthalle Frankfurt12,000
1996–1999 Hanover, GermanyCarpet (i)
Hard (i)
Hanover Fairground15,000
2000 Lisbon, PortugalHard (i)Pavilhão Atlântico12,000
2001 Sydney, AustraliaSydney Super Dome17,500
2002 Shanghai, ChinaSNIEC10,000
2003–2004 Houston, United StatesHard Westside Tennis Club5,240
2005–2008 Shanghai, ChinaCarpet (i)
Hard (i)
Qizhong Forest Sports City Arena15,000
2009–2020 London, United KingdomHard (i)The O2 Arena[32] 20,000
2021–2025 Turin, ItalyPalasport Olimpico[33] 16,600

Prize money, ranking points and trophies

The 2023 ATP Finals rewarded the following points and prize money, per victory (Doubles' prize money is per team):[34]

width=150Stagewidth=150Singleswidth=140Doubleswidth=120Points
Final win$2,201,000$351,000500
Semi-final win$1,105,000$175,650400
$390,000$95,000200
Participation fee3 matches = $325,500
2 matches = $244,125
1 match = $162,750
3 matches = $132,000
2 matches = $99,000
1 match = $66,000
Alternates$152,500$50,850

Additional prizes include the ATP Finals trophy and the ATP year-end No. 1 trophy, all made by London-based silversmiths Thomas Lyte.[35] [36]

Past finals

Singles

LocationYearChampion[37] Runner-upScore
Tokyo Rod LaverRound robin
Paris Stan SmithRound robin
Barcelona6–3, 6–2, 3–6, 2–6, 6–3
Boston6–3, 7–5, 4–6, 6–3
Melbourne7–6(8–6), 6–2, 3–6, 3–6, 6–4
Stockholm6–2, 6–2, 6–1
Houston5–7, 6–2, 0–6, 7–6(7–1), 6–1
New York City6–4, 1–6, 6–4
6–7(5–7), 6–3, 7–5
6–2, 6–2
6–4, 6–2, 6–2
6–7(5–7), 2–6, 7–6(8–6), 6–2, 6–4
6–4, 6–4, 6–2
6–3, 6–4, 6–4
7–5, 6–0, 6–4
6–2, 7–6(7–4), 6–3
6–4, 6–4, 6–4
6–2, 6–2, 6–3
5–7, 7–6(7–5), 3–6, 6–2, 7–6(7–5)
4–6, 7–6(8–6), 6–3, 6–1
Frankfurt5–7, 7–6(7–5), 7–5, 6–2
3–6, 7–6(7–5), 6–3, 6–4
6–4, 6–3, 7–5
7–6(7–3), 2–6, 7–6(9–7), 6–2
4–6, 6–3, 7–5, 6–4
7–6(7–3), 6–0, 7–6(7–5)
Hanover3–6, 7–6(7–5), 7–6(7–4), 6–7(11–13), 6–4
6–3, 6–2, 6–2
3–6, 3–6, 7–5, 6–3, 7–5
6–1, 7–5, 6–4
Lisbon6–4, 6–4, 6–4
Sydney6–3, 6–3, 6–4
Shanghai7–5, 7–5, 2–6, 2–6, 6–4
Houston6–3, 6–0, 6–4
6–3, 6–2
Shanghai6–7(4–7), 6–7(11–13), 6–2, 6–1, 7–6(7–3)
6–0, 6–3, 6–4
6–2, 6–3, 6–2
6–1, 7–5
London6–3, 6–4
6–3, 3–6, 6–1
6–3, 6–7(6–8), 6–3
7–6(8–6), 7–5
6–3, 6–4
walkover
6–3, 6–4
6–3, 6–4
7–5, 4–6, 6–3
6–4, 6–3
6–7(6–8), 6–2, 7–6(7–4)
4–6, 7–6(7–2), 6–4
Turin6–4, 6–4
7–5, 6–3
6–3, 6–3

Doubles

LocationYearChampions[38] Runners-upScore
TokyoRound robin
1971–1974: Not Held
Stockholm1975Round robin
Houston1976 Brian Gottfried
Raúl Ramírez
6–3, 5–7, 5–7, 6–4, 6–4
New York City1977 Robert Lutz
Stan Smith
7–5, 7–6, 6–3
1978 Wojtek Fibak
Tom Okker
6–4, 6–2, 6–4
1979 Wojtek Fibak
Tom Okker
6–3, 7–6, 6–1
1980 Peter McNamara
Paul McNamee
6–4, 6–3
1981 Kevin Curren
Steve Denton
6–3, 6–3
1982 Sherwood Stewart
Ferdi Taygan
7–5, 6–3
1983 Pavel Složil
Tomáš Šmíd
6–2, 6–2
1984 Mark Edmondson
Sherwood Stewart
6–3, 6–1
1985 Joakim Nyström
Mats Wilander
6–1, 7–6(7–5)
London1986 Guy Forget
Yannick Noah
6–3, 7–6(7–2), 6–3
1987 Ken Flach
Robert Seguso
6–4, 7–5, 6–7(5–7), 6–3
1988 Sergio Casal
Emilio Sánchez
6–4, 6–3, 2–6, 6–0
1989 John Fitzgerald
Anders Järryd
7–5, 7–6(7–4), 5–7, 6–3
Gold Coast1990 Sergio Casal
Emilio Sánchez
6–4, 7–6(7–5), 5–7, 6–4
Johannesburg1991 Ken Flach
Robert Seguso
6–4, 6–4, 2–6, 6–4
1992 John Fitzgerald
Anders Järryd
6–2, 7–6(7–4), 5–7, 3–6, 6–3
1993 Todd Woodbridge
Mark Woodforde
7–6(7–4), 7–6(7–5), 6–4
Jakarta1994 Todd Woodbridge
Mark Woodforde
6–4, 4–6, 4–6, 7–6(7–5), 7–6(8–6)
Eindhoven1995 Jacco Eltingh
Paul Haarhuis
7–6(8–6), 7–6(8–6), 3–6, 7–6(7–2)
Hartford1996 Sébastien Lareau
Alex O'Brien
6–4, 5–7, 6–2, 7–6(7–3)
1997 Mahesh Bhupathi
Leander Paes
6–3, 6–4, 7–6(7–3)
1998 Mark Knowles
Daniel Nestor
6–4, 6–2, 7–5
1999 Mahesh Bhupathi
Leander Paes
6–3, 6–2, 6–2
Bangalore2000 Mahesh Bhupathi
Leander Paes
7–6(10–8), 6–3, 6–4
2001
Petr Pála
Pavel Vízner
6–7(6–8), 7–6(7–2), 6–4, 6–4
2002 Not held
Houston2003 Michaël Llodra
Fabrice Santoro
6–7(6–8), 6–3, 3–6, 7–6(7–3), 6–4
2004 Wayne Black
Kevin Ullyett
4–6, 7–5, 6–4, 6–2
Shanghai2005 Leander Paes
Nenad Zimonjić
6–7(6–8), 6–3, 7–6(7–4)
2006 Mark Knowles
Daniel Nestor
6–2, 6–4
2007 Simon Aspelin
Julian Knowle
6–2, 6–3
2008 Bob Bryan
Mike Bryan
7–6(7–3), 6–2
London Max Mirnyi
Andy Ram
7–6(7–5), 6–3
Mahesh Bhupathi
Max Mirnyi
7–6(8–6), 6–4
Mariusz Fyrstenberg
Marcin Matkowski
7–5, 6–3
Mahesh Bhupathi
Rohan Bopanna
7–5, 3–6, [10–3]
7–5, 6–7(3–7), [10–7]
Ivan Dodig
Marcelo Melo
6–7(5–7), 6–2, [10–7]
Rohan Bopanna
Florin Mergea
6–4, 6–3
Raven Klaasen
Rajeev Ram
2–6, 6–1, [10–8]
6–4, 6–2
20185–7, 6–1, [13–11]
20196–3, 6–4
6–2, 3–6, [10–5]
Turin6–4, 7–6(7–0)
7–6(7–4), 6–4
6–3, 6–4

List of champions

Singles

TitlesPlayerYears
7 Novak Djokovic2008, 12–15, 22–23
6 Roger Federer2003–04, 06–07, 10–11
5 Ivan Lendl1981–82, 85–87
Pete Sampras1991, 94, 96–97, 99
4 Ilie Năstase1971–73, 75
3 John McEnroe1978, 83–84
Boris Becker1988, 92, 95
2 Björn Borg1979–80
Lleyton Hewitt2001–02
Alexander Zverev2018, 21
1 Stan Smith1970
Guillermo Vilas1974
Manuel Orantes1976
Jimmy Connors1977
Stefan Edberg1989
Andre Agassi1990
Michael Stich1993
Àlex Corretja1998
Gustavo Kuerten2000
David Nalbandian2005
Nikolay Davydenko2009
Andy Murray2016
Grigor Dimitrov2017
Stefanos Tsitsipas2019
Daniil Medvedev2020

Doubles

TitlesPlayerYears
7
1978–84
5 Mike Bryan2003–04, 09, 14, 18
4 Daniel Nestor2007–08, 10–11
Bob Bryan2003–04, 09, 14
3 Anders Järryd1985–86, 91
Rick Leach1988, 97, 2001
2 Stefan Edberg1985–86
1992, 96
1993, 98
Jonas Björkman1994, 2006
Nenad Zimonjić2008, 10
Max Mirnyi2006, 11
2016–17
2019, 21
2022–23
11970
1975
1976
1977
1987
Jim Pugh1988
1989
1990
John Fitzgerald1991
Jan Apell1994
1995
Jonathan Stark1997
1999
2000
Ellis Ferreira2001
2005
Mark Knowles2007
2012
2013
2015
Jack Sock2018
2020

Records and statistics

Singles

Titles
7 Novak Djokovic
6 Roger Federer
5 Ivan Lendl
Pete Sampras
4 Ilie Năstase
Consecutive titles
4 Novak Djokovic
3 Ilie Năstase
Ivan Lendl
2 Björn Borg
Ivan Lendl
John McEnroe
Pete Sampras
Lleyton Hewitt
Roger Federer
Novak Djokovic
Finals
10 Roger Federer
9 Ivan Lendl
Novak Djokovic
8 Boris Becker
6 Pete Sampras
5 Ilie Năstase
Matches won[39]
59 Roger Federer
50 Novak Djokovic
39 Ivan Lendl
36 Boris Becker
35 Pete Sampras
Editions played
17 Roger Federer
16 Novak Djokovic
13 Andre Agassi
12 Ivan Lendl
11 Jimmy Connors
Boris Becker
Pete Sampras
Rafael Nadal

Doubles

Titles
7 Peter Fleming
John McEnroe
5 Mike Bryan
4 Daniel Nestor
Bob Bryan
Consecutive titles
7 Peter Fleming
John McEnroe
2 Stefan Edberg
Anders Järryd
Mike Bryan
Bob Bryan
Daniel Nestor
Henri Kontinen
John Peers
Rajeev Ram
Joe Salisbury
Finals
7 Peter Fleming
John McEnroe
Mike Bryan
6 Daniel Nestor
Bob Bryan
5 Anders Järryd
Matches won
42 Mike Bryan
38 Bob Bryan
34 Daniel Nestor
29 Todd Woodbridge
25 Anders Järryd
Mark Woodforde
Editions played
16 Mike Bryan
15 Daniel Nestor
Bob Bryan
14 Leander Paes
12 Mark Knowles
Mahesh Bhupathi

Youngest & oldest champions

SinglesYoungest John McEnroe1978
Oldest Novak Djokovic2023
DoublesYoungest John McEnroe1978
Oldest Mike Bryan2018

Year-end championships triple & double

Double crown

PlayerYear
John McEnroe1978 (SD), 1983 (SD), 1984 (SD)
Stan Smith1970 (SD)

Year-end championships triple

ATP Finals – WCT Finals double

PlayerATP FinalsWCT Finals
Stan Smith19701973
Jimmy Connors19771977
John McEnroe19781979
Björn Borg19791976
Ivan Lendl19811982
Boris Becker19881988

ATP Finals – Grand Slam Cup double

PlayerATP FinalsGrand Slam Cup
Pete Sampras19911990
Michael Stich19931992
Boris Becker19881996

Generations double

Titles by country

Doubles

Note: Titles, won by a team of players from same country, count as one title, not two.

See also

External links

Notes and References

  1. Web site: 19 November 2022 . Djokovic Nitto ATP Finals 2022 SF Reaction Nitto ATP Finals Tennis . live . https://web.archive.org/web/20221120232126/https://www.nittoatpfinals.com/en/news/djokovic-nitto-atp-finals-2022-sf-reaction . 20 November 2022 . Nitto ATP Finals.
  2. Web site: 20 November 2022 . Ram Salisbury Mektic Pavic Turin 2022 Doubles Final Nitto ATP Finals Tennis . live . https://web.archive.org/web/20221120223657/https://www.nittoatpfinals.com/en/news/ram-salisbury-mektic-pavic-turin-2022-doubles-final . 2022-11-20 . Nitto ATP Finals.
  3. Web site: History Nitto ATP Finals Tennis . 2021-11-13 . Nitto ATP Finals.
  4. Book: The International Tennis Federation : World of Tennis 1991 . Collins Willow . 1991 . 978-0-00-218403-8 . . London . 116, 140 . Besides the prize money of $2,020,000, there were also ranking points at stake for the first time at a season ending play-off.
  5. Web site: Piers Newbery . 3 July 2007 . London to host World Tour Final . live . https://web.archive.org/web/20160307055248/http://news.bbc.co.uk/sport2/hi/tennis/6264650.stm . 7 March 2016 . BBC Sport.
  6. News: ATP finals to stay in London through 2015 . The Times Of India . live . 2012-07-11 . https://web.archive.org/web/20121108174101/http://timesofindia.indiatimes.com/sports/tennis/top-stories/ATP-finals-to-stay-in-London-through-2015/articleshow/17131274.cms . 2012-11-08.
  7. Web site: ATP World Tour Finals to be showcased in London till 2015 . dead . https://web.archive.org/web/20121113064407/http://www.tennisearth.com/news/tennisNews/ATP-World-Tour-Finals-to-be-showcased-in-London-till-2015-641183.htm . 2012-11-13 . 2012-09-11.
  8. News: ATP Confirms London As Host City Through 2018 As 2015 Season Finale Is Officially Launched ATP World Tour Tennis . en . ATP World Tour . live . 2016-11-16 . https://web.archive.org/web/20161117063152/http://www.atpworldtour.com/en/news/london-extension-2015-official-launch . 2016-11-17.
  9. Web site: 25 May 2017 . ATP World Tour Finals to stay in London till 2020 under new title sponsor . live . https://web.archive.org/web/20170525101537/https://www.theguardian.com/sport/2017/may/25/atp-world-tour-finals-tennis-london-till-2020-new-title-sponsor-nitto . 25 May 2017 . The Guardian.
  10. Web site: 25 May 2017 . ATP Extends Season-Ending Finale In London Through 2020 With New Title Partner Nitto Denko Corporation . Association of Tennis Professionals (ATP).
  11. Web site: 2019-04-24 . Turin To Host ATP Finals From 2021 To 2025 . 2019-11-15 . ATP.
  12. Web site: ITF Tennis – Pro Circuit – Masters Singles – 10 December – 15 December 1974 . 2018-12-17 . www.itftennis.com.
  13. Web site: I never played ATP Finals on clay or outdoor, complains Rafael Nadal . 2018-12-17 . Tennis World USA . 8 October 2018 . en-US.
  14. News: Ubha . R. . 5 November 2013 . Nadal and Federer at loggerheads over ATP World Finals . CNN . 17 December 2018.
  15. Web site: 2018-05-22 . Does the clay-court season take up too much of the tennis calendar? . 2018-12-17 . ESPN.com . en.
  16. Web site: 2020-11-14 . Nitto ATP Finals To Feature Electronic Line-Calling & Video Review For First Time . 2021-03-12 . atptour.com . en.
  17. Web site: 2023-11-12 . Video Review Overturns Call In Opening Match At Nitto ATP Finals . 2024-03-03 . atptour.com . en.
  18. News: 2008-06-18 . ATP agree $35 million deal for showpiece tournament . Reuters . live . http://archive.wikiwix.com/cache/20101107111609/http://ca.reuters.com/article/sportsNews/idCAL1860103820080618 . 2010-11-07.
  19. News: 4 November 2015 . Barclays to end World Tour Finals sponsorship . BBC News . live . 13 November 2015 . https://web.archive.org/web/20151107144223/http://www.bbc.co.uk/news/business-34722037 . 7 November 2015.
  20. News: 25 May 2017 . ATP extends season-finale in London through 2020 with new title partner Nitto Denko Corporation . Nitto ATP Finals . London . live . 28 August 2017 . http://archive.wikiwix.com/cache/20170927083200/http://www.nittoatpfinals.com/en/news-and-media/tennis/nitto-atp-finals-in-london-through-2020 . 27 September 2017.
  21. Web site: 10 September 2020 . ATP & Nitto Denko Corporation Extend Partnership Until 2025 . 20 November 2020 . ATP Tour.
  22. Web site: Rules And Format . Nitto ATP Finals.
  23. Web site: Singles Champions Nitto ATP Finals Tennis . 2021-11-13 . Nitto ATP Finals.
  24. News: 6 December 1971 . Two for Smith . 17 . The Province.
  25. Web site: Nitto ATP Finals Results ATP Tour Tennis . 2023-11-19 . ATP Tour.
  26. Web site: Nitto ATP Finals Results ATP Tour Tennis . 2023-11-19 . ATP Tour.
  27. Web site: That Rumanian black magic . 27 October 2019 . Sports Illustrated.
  28. Web site: Nitto ATP Finals Results ATP Tour Tennis . 2023-11-19 . ATP Tour.
  29. Web site: Nitto ATP Finals Results ATP Tour Tennis . 2023-11-19 . ATP Tour.
  30. Web site: Nitto ATP Finals Results ATP Tour Tennis . 2023-11-19 . ATP Tour.
  31. Web site: Nitto ATP Finals Results ATP Tour Tennis . 2023-11-19 . ATP Tour.
  32. Web site: O2 . The . Event space capacities, The O2 . dead . https://web.archive.org/web/20161220075905/http://www.theo2.co.uk/hire-a-venue/event-space-capacities . 20 December 2016 . 8 December 2016 . www.theo2.co.uk . AEG, 2016.
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