![Tennis | Nitto ATP Tour Finals 2020 | Day 2: Former champions Djokovic and Zverev start their campaigns | Britwatch Sports Tennis | Nitto ATP Tour Finals 2020 | Day 2: Former champions Djokovic and Zverev start their campaigns | Britwatch Sports](https://britwatchsports.com/wp-content/uploads/2019/11/Djokovic-ATPF19-RR1a-Getty.jpg)
Tennis | Nitto ATP Tour Finals 2020 | Day 2: Former champions Djokovic and Zverev start their campaigns | Britwatch Sports
![London, UK. 12th Nov, 2019. 12th November 2019; O2 Arena, London, England; Nitto ATP Tennis Finals; A general view of O2 Arena during the match between Roger Federer (SUI) and Matteo Berrettini ( London, UK. 12th Nov, 2019. 12th November 2019; O2 Arena, London, England; Nitto ATP Tennis Finals; A general view of O2 Arena during the match between Roger Federer (SUI) and Matteo Berrettini (](https://c8.alamy.com/comp/2A94EPK/london-uk-12th-nov-2019-12th-november-2019-o2-arena-london-england-nitto-atp-tennis-finals-a-general-view-of-o2-arena-during-the-match-between-roger-federer-sui-and-matteo-berrettini-ita-editorial-use-credit-action-plus-sports-imagesalamy-live-news-2A94EPK.jpg)
London, UK. 12th Nov, 2019. 12th November 2019; O2 Arena, London, England; Nitto ATP Tennis Finals; A general view of O2 Arena during the match between Roger Federer (SUI) and Matteo Berrettini (
![Tennis | Nitto ATP finals 2019 | Federer downs Djokovic to propel Nadal to year-end No. 1 | Britwatch Sports Tennis | Nitto ATP finals 2019 | Federer downs Djokovic to propel Nadal to year-end No. 1 | Britwatch Sports](https://britwatchsports.com/wp-content/uploads/2019/11/Federer-APTF19-RR1a-Getty.jpg)
Tennis | Nitto ATP finals 2019 | Federer downs Djokovic to propel Nadal to year-end No. 1 | Britwatch Sports
![ATP Tour Finals 2019 draw result: Djokovic and Federer drawn together as Nadal faces Zverev | The Independent | The Independent ATP Tour Finals 2019 draw result: Djokovic and Federer drawn together as Nadal faces Zverev | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2019/06/30/15/gettyimages-1064035290-0.jpg)
ATP Tour Finals 2019 draw result: Djokovic and Federer drawn together as Nadal faces Zverev | The Independent | The Independent
![Dominic Thiem Beats Alexander Zverev To Reach 2019 Nitto ATP Finals Title Match In London | ATP Tour | Tennis Dominic Thiem Beats Alexander Zverev To Reach 2019 Nitto ATP Finals Title Match In London | ATP Tour | Tennis](https://www.atptour.com/en/news/www.atptour.com/-/media/images/news/2019/11/16/21/16/thiem-london-2019-sf-2.jpg)
Dominic Thiem Beats Alexander Zverev To Reach 2019 Nitto ATP Finals Title Match In London | ATP Tour | Tennis
![Arena. London, UK. 16th Nov, 2019. Nitto ATP Tennis Finals; Roger Federer (SUI) plays a forehand shot in his match against Stefanos Tsitsipas (GRE) - Editorial Use Credit: Action Plus Sports Images/Alamy Arena. London, UK. 16th Nov, 2019. Nitto ATP Tennis Finals; Roger Federer (SUI) plays a forehand shot in his match against Stefanos Tsitsipas (GRE) - Editorial Use Credit: Action Plus Sports Images/Alamy](https://c8.alamy.com/comp/2A9MJ9B/arena-london-uk-16th-nov-2019-nitto-atp-tennis-finals-roger-federer-sui-plays-a-forehand-shot-in-his-match-against-stefanos-tsitsipas-gre-editorial-use-credit-action-plus-sports-imagesalamy-live-news-2A9MJ9B.jpg)
Arena. London, UK. 16th Nov, 2019. Nitto ATP Tennis Finals; Roger Federer (SUI) plays a forehand shot in his match against Stefanos Tsitsipas (GRE) - Editorial Use Credit: Action Plus Sports Images/Alamy
![Dominic Thiem defeats Alexander Zverev to reach final of ATP Finals | ATP World Tour Finals | The Guardian Dominic Thiem defeats Alexander Zverev to reach final of ATP Finals | ATP World Tour Finals | The Guardian](https://i.guim.co.uk/img/media/a46fa3e6d5f7a6ddea2d8e05cb2018d3e1939082/0_67_2010_1206/master/2010.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=78d202fea555b943dda06cfd847e3e4a)