Tennis: Factbox: Roger Federer versus Kei Nishikori | The Star
Brain Game Federer Beats Nishikori London 2015 | ATP Tour | Tennis
Roger Federer shares thoughts on retirement before final match | Chattanooga Times Free Press
Roger Federer battles to superb win over Kei Nishikori as Australian Open blasted wide open following world No1 Andy Murray's shock defeat | The Sun
Roger Federer vs Kei Nishikori AS IT HAPPENED: Federer suffers SHOCK straight-sets defeat | Tennis | Sport | Express.co.uk
H2H Roger Federer vs. Kei Nishikori | Wimbledon preview, odds, prediction - Tennis Tonic - News, Predictions, H2H, Live Scores, stats
Roger Federer eliminates Kei Nishikori at Paris Masters | The Japan Times
London Day 1: Roger Renews Kei Rivalry; Anderson Battles Thiem | ATP Tour | Tennis
Roger Federer beaten by Kei Nishikori at ATP Finals in London | Tennis News | Sky Sports
Roger Federer breezes past Kei Nishikori at ATP World Tour Finals | ATP World Tour Finals | The Guardian
ATP World Tour Finals: Roger Federer into semi-final after beating Kei Nishikori
ATP Finals: Roger Federer vs Dominic Thiem, Kevin Anderson vs Kei Nishikori | Tennis News | Sky Sports
ATP Finals: Roger Federer facing uphill task after poor start | Sports News,The Indian Express
Tennis news - Roger Federer left bemused by umpire after Kei Nishikori defeat at ATP Finals - Eurosport
Roger Federer loses ATP Finals opener to Kei Nishikori - NBC Sports
Roger Federer vs. Kei Nishikori: Winner, Score from 2014 ATP World Tour Finals | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
London, UK. 11th Nov, 2018. The Apt Finals; Roger Federer vs Kei Nishikori ; Roger Federer waves
ATP Finals: Kei Nishikori sinks Roger Federer to make the winning start
ATP Finals: Roger Federer vs Kevin Anderson, Dominic Thiem vs Kei Nishikori | Tennis News | Sky Sports
Roger Federer announces retirement from competitive tennis
ATP World Tour Finals 2014: Kei Nishikori beats substitute David Ferrer, but must wait for Roger Federer vs Andy Murray to learn fate | The Independent | The Independent
Nishikori Tops Federer In London Opener | ATP Tour | Tennis
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 v Kei Nishikori: ATP World Tour Finals – as it happened | ATP World Tour Finals | The Guardian
ATP Finals: What needs to happen for Roger Federer to reach semi-finals | Metro News
Roger Federer picks up rare code violation as he opens ATP Finals with straight-sets defeat to Kei Nishikori
