![17th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; Alexander Zverev (GER) plays a tweener shot in his semi-final match against Roger Federer (SUI Stock Photo - Alamy 17th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; Alexander Zverev (GER) plays a tweener shot in his semi-final match against Roger Federer (SUI Stock Photo - Alamy](https://c8.alamy.com/comp/R28A7G/17th-november-2018-o2-arena-london-england-nitto-atp-tennis-finals-alexander-zverev-ger-plays-a-tweener-shot-in-his-semi-final-match-against-roger-federer-sui-R28A7G.jpg)
17th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; Alexander Zverev (GER) plays a tweener shot in his semi-final match against Roger Federer (SUI Stock Photo - Alamy
![Novak Djokovic warms up for semi-finals with impressive Marin Cilic victory at ATP Finals in London | Tennis News | Sky Sports Novak Djokovic warms up for semi-finals with impressive Marin Cilic victory at ATP Finals in London | Tennis News | Sky Sports](https://e0.365dm.com/18/11/768x432/skysports-djokovic-novak-tennis_4490440.jpg?20181116213103)
Novak Djokovic warms up for semi-finals with impressive Marin Cilic victory at ATP Finals in London | Tennis News | Sky Sports
![Arena. London, UK. 16th Nov, 2019. Nitto ATP Tennis Finals; Stefanos Tsitsipas (Greece) celebrates after winning his semi-final match against Roger Federer (Switzerland) Credit: Action Plus Sports/Alamy Live News Credit: Action Plus Arena. London, UK. 16th Nov, 2019. Nitto ATP Tennis Finals; Stefanos Tsitsipas (Greece) celebrates after winning his semi-final match against Roger Federer (Switzerland) Credit: Action Plus Sports/Alamy Live News Credit: Action Plus](https://c8.alamy.com/comp/2A9M99D/arena-london-uk-16th-nov-2019-nitto-atp-tennis-finals-stefanos-tsitsipas-greece-celebrates-after-winning-his-semi-final-match-against-roger-federer-switzerland-credit-action-plus-sportsalamy-live-news-credit-action-plus-sports-imagesalamy-live-news-2A9M99D.jpg)
Arena. London, UK. 16th Nov, 2019. Nitto ATP Tennis Finals; Stefanos Tsitsipas (Greece) celebrates after winning his semi-final match against Roger Federer (Switzerland) Credit: Action Plus Sports/Alamy Live News Credit: Action Plus
![Buy Your 2020 Nitto ATP Finals Tickets; Final Year In London; 50-Year Anniversary Of Tournament | ATP Tour | Tennis Buy Your 2020 Nitto ATP Finals Tickets; Final Year In London; 50-Year Anniversary Of Tournament | ATP Tour | Tennis](https://www.atptour.com/en/news/www.atptour.com/-/media/images/news/2020/01/31/22/44/djokovic-nitto-atp-finals-2020-ticket-sales.jpg)
Buy Your 2020 Nitto ATP Finals Tickets; Final Year In London; 50-Year Anniversary Of Tournament | ATP Tour | Tennis
![ATP Finals: Federer and Anderson make semifinals | Sports | German football and major international sports news | DW | 15.11.2018 ATP Finals: Federer and Anderson make semifinals | Sports | German football and major international sports news | DW | 15.11.2018](https://static.dw.com/image/46320777_101.jpg)
ATP Finals: Federer and Anderson make semifinals | Sports | German football and major international sports news | DW | 15.11.2018
![Joe Salisbury in action against Jurgen Melzer and Edouard Roger-Vasselin during the doubles semi final match on day seven of the Nitto ATP Finals at The O2 Arena, London Stock Photo - Joe Salisbury in action against Jurgen Melzer and Edouard Roger-Vasselin during the doubles semi final match on day seven of the Nitto ATP Finals at The O2 Arena, London Stock Photo -](https://c8.alamy.com/comp/2DCJ9F4/joe-salisbury-in-action-against-jurgen-melzer-and-edouard-roger-vasselin-during-the-doubles-semi-final-match-on-day-seven-of-the-nitto-atp-finals-at-the-o2-arena-london-2DCJ9F4.jpg)
Joe Salisbury in action against Jurgen Melzer and Edouard Roger-Vasselin during the doubles semi final match on day seven of the Nitto ATP Finals at The O2 Arena, London Stock Photo -
![Daniil Medvedev beats Rafael Nadal: ATP Tour Finals 2020 semi-final – as it happened | ATP World Tour Finals | The Guardian Daniil Medvedev beats Rafael Nadal: ATP Tour Finals 2020 semi-final – as it happened | ATP World Tour Finals | The Guardian](https://i.guim.co.uk/img/media/f36ef40e9c39ba9092ab9f42528933e5d57602f5/0_157_3500_2099/master/3500.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=943c561719e6a26bb563ca020f4216da)
Daniil Medvedev beats Rafael Nadal: ATP Tour Finals 2020 semi-final – as it happened | ATP World Tour Finals | The Guardian
![ATP Finals 2020 results: Dominic Thiem wins marathon semi-final against Novak Djokovic | The Independent ATP Finals 2020 results: Dominic Thiem wins marathon semi-final against Novak Djokovic | The Independent](https://static.independent.co.uk/2020/11/21/17/newFile-4.jpg?quality=75&width=982&height=726&auto=webp)
ATP Finals 2020 results: Dominic Thiem wins marathon semi-final against Novak Djokovic | The Independent
![ATP Finals 2020: Daniil Medvedev roars back to beat Rafael Nadal and reach London final at O2 Arena - Eurosport ATP Finals 2020: Daniil Medvedev roars back to beat Rafael Nadal and reach London final at O2 Arena - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x0/filters:format(jpeg):focal(1235x244:1237x242)/origin-imgresizer.eurosport.com/2020/11/22/2941114-60378248-2560-1440.jpg)
ATP Finals 2020: Daniil Medvedev roars back to beat Rafael Nadal and reach London final at O2 Arena - Eurosport
![Novak Djokovic warms up for semi-finals with impressive Marin Cilic victory at ATP Finals in London | Tennis News | Sky Sports Novak Djokovic warms up for semi-finals with impressive Marin Cilic victory at ATP Finals in London | Tennis News | Sky Sports](https://e0.365dm.com/18/11/800x600/promo366675497_4490528.jpg)