ATP Finals: Difference between revisions - Wikipedia

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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 judge|electronic line-calling]] powered by [[Hawk-Eye#Hawk-Eye Live|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.<ref>{{Cite web |date=2020-11-14 |title=Nitto ATP Finals To Feature Electronic Line-Calling & Video Review For First Time |url=https://www.atptour.com/en/news/electronic-line-calling-video-review-nitto-atp-finals-2020 |access-date=2021-03-12 |website=atptour.com |language=en}}</ref><ref>{{Cite web |date=2023-11-12 |title=Video Review Overturns Call In Opening Match At Nitto ATP Finals |url=https://www.atptour.com/en/news/krajicek-video-review-nitto-atp-finals-2023 |access-date=2024-03-03 |website=atptour.com |language=en}}</ref>

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.<ref>{{Cite news |date=2008-06-18 |title=ATP agree $35 million deal for showpiece tournament |work=Reuters |url=http://ca.reuters.com/article/sportsNews/idCAL1860103820080618 |url-status=livedead |archive-url=http://archive.wikiwix.com/cache/20101107111609/http://ca.reuters.com/article/sportsNews/idCAL1860103820080618 |archive-date=2010-11-07}}</ref> Barclays confirmed in 2015 that they would not renew their sponsorship deal once it expires in 2016.<ref>{{Cite news |date=4 November 2015 |title=Barclays to end World Tour Finals sponsorship |work=BBC News |url=https://www.bbc.co.uk/news/business-34722037 |url-status=live |access-date=13 November 2015 |archive-url=https://web.archive.org/web/20151107144223/http://www.bbc.co.uk/news/business-34722037 |archive-date=7 November 2015}}</ref> On 25 May 2017, it was announced that [[Nitto Denko]] would be the main sponsor for the tournament through 2020.<ref>{{Cite news |date=25 May 2017 |title=ATP extends season-finale in London through 2020 with new title partner Nitto Denko Corporation |publisher=Nitto ATP Finals |location=London |url=http://www.nittoatpfinals.com/en/news-and-media/tennis/nitto-atp-finals-in-london-through-2020 |url-status=live |access-date=28 August 2017 |archive-url=http://archive.wikiwix.com/cache/20170927083200/http://www.nittoatpfinals.com/en/news-and-media/tennis/nitto-atp-finals-in-london-through-2020 |archive-date=27 September 2017}}</ref> In September 2020, Nitto Denko announced it will extend its title partnership of the ATP Finals for another five years, until 2025.<ref>{{Cite web |date=10 September 2020 |title=ATP & Nitto Denko Corporation Extend Partnership Until 2025 |url=https://www.atptour.com/en/news/atp-nitto-denko-partnership-extension-2020 |access-date=20 November 2020 |website=ATP Tour}}</ref>

=== Qualification ===