![London, UK. 11th Nov, 2018. Roger Federer of Switzerland during the men's singles match of the 2018 Nitto ATP Finals against Kei Nishikori of Japan at the O2 Arena in London, England London, UK. 11th Nov, 2018. Roger Federer of Switzerland during the men's singles match of the 2018 Nitto ATP Finals against Kei Nishikori of Japan at the O2 Arena in London, England](https://c8.alamy.com/comp/R1DJ5N/london-uk-11th-nov-2018-roger-federer-of-switzerland-during-the-mens-singles-match-of-the-2018-nitto-atp-finals-against-kei-nishikori-of-japan-at-the-o2-arena-in-london-england-on-november-11-2018-credit-afloalamy-live-news-R1DJ5N.jpg)
London, UK. 11th Nov, 2018. Roger Federer of Switzerland during the men's singles match of the 2018 Nitto ATP Finals against Kei Nishikori of Japan at the O2 Arena in London, England
ATP Finals 2018: Roger Federer beats Kevin Anderson to advance | news.com.au — Australia's leading news site
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Roger Federer unhappy with umpire after Kei Nishikori defeat at ATP Finals | Tennis News | Sky Sports
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ATP Finals: Roger Federer not thinking about 100th title ahead of Alexander Zverev clash | The Independent | The Independent
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