![ATP Finals: Roger Federer vs Kevin Anderson, Dominic Thiem vs Kei Nishikori | Tennis News | Sky Sports ATP Finals: Roger Federer vs Kevin Anderson, Dominic Thiem vs Kei Nishikori | Tennis News | Sky Sports](https://e0.365dm.com/18/11/768x432/skysports-federer-roger-tennis_4484821.jpg?20181111210559)
ATP Finals: Roger Federer vs Kevin Anderson, Dominic Thiem vs Kei Nishikori | Tennis News | Sky Sports
![Tennis news - Roger Federer left bemused by umpire after Kei Nishikori defeat at ATP Finals - Eurosport Tennis news - Roger Federer left bemused by umpire after Kei Nishikori defeat at ATP Finals - Eurosport](https://i.eurosport.com/2018/11/12/2460405-51106810-2560-1440.jpg)
Tennis news - Roger Federer left bemused by umpire after Kei Nishikori defeat at ATP Finals - Eurosport
![Switzerland's Roger Federer and Japan's Kei Nishikori before the Barclays ATP World Tour Finals at The O2 Arena, London Stock Photo - Alamy Switzerland's Roger Federer and Japan's Kei Nishikori before the Barclays ATP World Tour Finals at The O2 Arena, London Stock Photo - Alamy](https://c8.alamy.com/comp/G7FRJE/switzerlands-roger-federer-and-japans-kei-nishikori-before-the-barclays-G7FRJE.jpg)
Switzerland's Roger Federer and Japan's Kei Nishikori before the Barclays ATP World Tour Finals at The O2 Arena, London Stock Photo - Alamy
![Roger Federer v Kei Nishikori: ATP World Tour Finals – as it happened | ATP World Tour Finals | The Guardian Roger Federer v Kei Nishikori: ATP World Tour Finals – as it happened | ATP World Tour Finals | The Guardian](https://i.guim.co.uk/img/media/49aa543ad1fc50673e264f929c625af8aed8afcf/0_0_2234_1341/master/2234.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=d61a73e7eefd0251e917b0afd5c23b51)
Roger Federer v Kei Nishikori: ATP World Tour Finals – as it happened | ATP World Tour Finals | The Guardian
![Roger Federer vs Kei Nishikori quarter-final live stream: When and where to watch Paris Masters 2018 match - IBTimes India Roger Federer vs Kei Nishikori quarter-final live stream: When and where to watch Paris Masters 2018 match - IBTimes India](https://data1.ibtimes.co.in/en/full/702773/roger-federer.jpg)
Roger Federer vs Kei Nishikori quarter-final live stream: When and where to watch Paris Masters 2018 match - IBTimes India
![London, Britain. 19th Nov, 2015. Roger Federer of Switzerland celebrates his victory over Kei Nishikori of Japan during a men's singles group stage match at the ATP World Tour Finals in London, London, Britain. 19th Nov, 2015. Roger Federer of Switzerland celebrates his victory over Kei Nishikori of Japan during a men's singles group stage match at the ATP World Tour Finals in London,](https://c8.alamy.com/comp/F6TCH0/london-britain-19th-nov-2015-roger-federer-of-switzerland-celebrates-F6TCH0.jpg)
London, Britain. 19th Nov, 2015. Roger Federer of Switzerland celebrates his victory over Kei Nishikori of Japan during a men's singles group stage match at the ATP World Tour Finals in London,
![Roger Federer picks up rare code violation as he opens ATP Finals with straight-sets defeat to Kei Nishikori Roger Federer picks up rare code violation as he opens ATP Finals with straight-sets defeat to Kei Nishikori](https://www.telegraph.co.uk/content/dam/tennis/2018/11/11/TELEMMGLPICT000180682204_trans_NvBQzQNjv4BqFmZwAHfbzbyjsBBHX-5Jh1FxexswdJIn0JCwl6ikJB0.jpeg)
Roger Federer picks up rare code violation as he opens ATP Finals with straight-sets defeat to Kei Nishikori
![Roger Federer breezes past Kei Nishikori at ATP World Tour Finals | ATP World Tour Finals | The Guardian Roger Federer breezes past Kei Nishikori at ATP World Tour Finals | ATP World Tour Finals | The Guardian](https://i.guim.co.uk/img/static/sys-images/Sport/Pix/pictures/2014/11/11/1415721541092/Roger-Federer-012.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctZGVmYXVsdC5wbmc&s=03053b0ec98ec337573e7e0239061c0a)