![O2 Arena, London, UK. 16th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; John Isner (USA) shakes hands with Alexander Zverev (GER) after the match Credit: Action Plus Sports Images/Alamy O2 Arena, London, UK. 16th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; John Isner (USA) shakes hands with Alexander Zverev (GER) after the match Credit: Action Plus Sports Images/Alamy](https://c8.alamy.com/comp/R251KF/o2-arena-london-uk-16th-november-2018-o2-arena-london-england-nitto-atp-tennis-finals-john-isner-usa-shakes-hands-with-alexander-zverev-ger-after-the-match-credit-action-plus-sports-imagesalamy-live-news-R251KF.jpg)
O2 Arena, London, UK. 16th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; John Isner (USA) shakes hands with Alexander Zverev (GER) after the match Credit: Action Plus Sports Images/Alamy
![Tennis | It's your turn Turin, as London's long tenure as host city for the ATP Tour Finals comes to a close in 2020. | Britwatch Sports Tennis | It's your turn Turin, as London's long tenure as host city for the ATP Tour Finals comes to a close in 2020. | Britwatch Sports](https://britwatchsports.com/wp-content/uploads/2018/11/Zverev-Djokovic-ATP-WTF-18-Fa-Getty.jpg)
Tennis | It's your turn Turin, as London's long tenure as host city for the ATP Tour Finals comes to a close in 2020. | Britwatch Sports
![18th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; Runner up Novak Djokovic (SRB) thanks the crowd as he holds the runner up plate Stock Photo - Alamy 18th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; Runner up Novak Djokovic (SRB) thanks the crowd as he holds the runner up plate Stock Photo - Alamy](https://c8.alamy.com/comp/R2ATMC/18th-november-2018-o2-arena-london-england-nitto-atp-tennis-finals-runner-up-novak-djokovic-srb-thanks-the-crowd-as-he-holds-the-runner-up-plate-R2ATMC.jpg)
18th November 2018, O2 Arena, London, England; Nitto ATP Tennis Finals; Runner up Novak Djokovic (SRB) thanks the crowd as he holds the runner up plate Stock Photo - Alamy
![O2 Arena, London, England, UK, 13th November 2018. Nitto ATP Tennis Finals; Roger Federer (SUI) throwing his sweat band towards the fans in celebration after defeating Dominic Thiem (AUT) by 2-0 sets O2 Arena, London, England, UK, 13th November 2018. Nitto ATP Tennis Finals; Roger Federer (SUI) throwing his sweat band towards the fans in celebration after defeating Dominic Thiem (AUT) by 2-0 sets](https://c8.alamy.com/comp/R1K2YH/o2-arena-london-england-uk-13th-november-2018-nitto-atp-tennis-finals-roger-federer-sui-throwing-his-sweat-band-towards-the-fans-in-celebration-after-defeating-dominic-thiem-aut-by-2-0-sets-credit-action-plus-sports-imagesalamy-live-news-R1K2YH.jpg)
O2 Arena, London, England, UK, 13th November 2018. Nitto ATP Tennis Finals; Roger Federer (SUI) throwing his sweat band towards the fans in celebration after defeating Dominic Thiem (AUT) by 2-0 sets
![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)