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ATP Finals: Federer stunned by Nishikori in opener, Anderson beats Thiem

ATP Finals: Roger Federer made 34 unforced errors and fell flat against Japan Kei Nishikori 6-7(4), 3-6 while Kevin Anderson won 6-3, 7-6(10) against Dominic Thiem.

Federer crashes to Nishikori in ATP Finals opener

Roger Federer suffered a shock straight-sets defeat to Kei Nishikori at the ATP Finals on Sunday, severely denting his bid for the 100th title of his illustrious career.

Federer's ATP Finals tilt takes a big hit

Kei Nishikori and Kevin Anderson have made winning starts at the ATP Finals with group wins over Roger Federer and Dominic Thiem respectively.

Flustered Federer loses ATP Finals opener to Nishikori

LONDON (AP) — Kei Nishikori hit a backhand so good it threw Roger Federer off his game as the 20-time Grand Slam champion earned a code violation before capitulating in a surprise defeat at the ATP Finals on Sunday.

Roger Federer pays for an error-strewn performance as his opening group match at the ATP Finals ends in defeat by Kei Nishikori.

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Roger Federer’s bid for 100th singles title stalls at ATP Finals Roger Federer’s bid for 100th singles title stalls at ATP Finals

The 37-year-old Swiss star was beaten in straight sets by the Japanese world number nine.

Roger Federer lost his opening match at the ATP Finals for the first time since 2013 as he went down 7-6 (4), 6-3 to Kei Nishikori on Sunday.

Kei Nishikori reacts to stunning ATP Finals victory over Roger Federer

Kei Nishikori said he was pleased to beat his 'idol' after stunning Roger Federer at the ATP Finals. The Japan star defeated Federer 7-6 (7-4) 6-3 in less than 90...

Angry Roger Federer suffers shock defeat to Kei Nishikori in ATP Finals opener

Roger Federer's hopes of winning a seventh ATP Finals title were dealt a major blow after he suffered a shock defeat to Kei Nishikori. The 20-time Grand Slam champion was...