![London, UK. 12th November, 2018. O2 Arena, London, England; Nitto ATP Tennis Finals; Alexander Zverev (GER) plays a tweener shot between his legs in his match against Marin Cilic (CRO) Credit: Action London, UK. 12th November, 2018. O2 Arena, London, England; Nitto ATP Tennis Finals; Alexander Zverev (GER) plays a tweener shot between his legs in his match against Marin Cilic (CRO) Credit: Action](https://l450v.alamy.com/450v/r1ft5g/london-uk-12th-november-2018-o2-arena-london-england-nitto-atp-tennis-finals-alexander-zverev-ger-plays-a-tweener-shot-between-his-legs-in-his-match-against-marin-cilic-cro-credit-action-plus-sports-imagesalamy-live-news-r1ft5g.jpg)
London, UK. 12th November, 2018. O2 Arena, London, England; Nitto ATP Tennis Finals; Alexander Zverev (GER) plays a tweener shot between his legs in his match against Marin Cilic (CRO) Credit: Action
![John McEnroe ATP Tennis Herren Turnier German Open Tennis Championships 2018 in Hamburg Spiel Manhag John McEnroe ATP Tennis Herren Turnier German Open Tennis Championships 2018 in Hamburg Spiel Manhag](https://cdn.imago-images.com/bild/sp/0035642401/m.jpg)
John McEnroe ATP Tennis Herren Turnier German Open Tennis Championships 2018 in Hamburg Spiel Manhag
![Halle, Germany. 20th June, 2018. Tennis, 2018 ATP World Tour, single, Men's, last sixteen. Robin Haase Halle, Germany. 20th June, 2018. Tennis, 2018 ATP World Tour, single, Men's, last sixteen. Robin Haase](https://c8.alamy.com/comp/P42X5F/halle-germany-20th-june-2018-tennis-2018-atp-world-tour-single-mens-last-sixteen-robin-haase-of-the-netherlands-in-action-against-spains-bautista-agut-credit-friso-gentschdpaalamy-live-news-P42X5F.jpg)
Halle, Germany. 20th June, 2018. Tennis, 2018 ATP World Tour, single, Men's, last sixteen. Robin Haase
![Roger Federer slumps to straight-sets loss against Kei Nishikori at ATP Finals | ATP World Tour Finals | The Guardian Roger Federer slumps to straight-sets loss against Kei Nishikori at ATP Finals | ATP World Tour Finals | The Guardian](https://i.guim.co.uk/img/media/932f57bfd00e19cfb4f82fd75277a1bee47f3a80/0_182_3653_2192/master/3653.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTgucG5n&s=6549bc4dba1010fa874c7f0af408dc3f)
Roger Federer slumps to straight-sets loss against Kei Nishikori at ATP Finals | ATP World Tour Finals | The Guardian
![Tennis news, ATP Finals - Alexander Zverev shocks Roger Federer in straight sets to reach final - Eurosport Tennis news, ATP Finals - Alexander Zverev shocks Roger Federer in straight sets to reach final - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x0/filters:format(jpeg)/origin-imgresizer.eurosport.com/2018/11/17/2463991-51178530-2560-1440.jpg)