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Federer hit with rare code violation in angry run-in with umpire

Roger Federer has hit out at a chair umpire after receiving a rare code violation at the ATP Finals.

Roger Federer's ATP Finals tilt takes a big hit after straight sets loss Federer's ATP Finals tilt takes a big hit after straight sets loss

Roger Federer will have to do it the hard way to win his 100th career singles title after he was beaten by Kei Nishikori in his opening match at the ATP Finals.

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. Two points away from losing the opening set and on the back foot in a rally, Nishikori hit a stunning shot up the line, which prompted Federer to hit the ball into the crowd and receive a warning for ball abuse. Federer never appeared to regain his composure and went down 7-6 (4), 6-3 in a first opening match defeat at the season-ending tournament since 2013.

Roger Federer was handed the Sunday night prime time slot for the opening match of his 16th ATP Finals but fluffed his lines in an error-strewn 7-6(4) 6-3 defeat by Kei Nishikori.

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

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.

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.

It's not just power as agile Anderson dances past Thiem

By Martyn Herman LONDON (Reuters) - For a man standing six-foot-eight, the 13 aces Kevin Anderson sent down against Dominic Thiem could perhaps be expected

Anderson outmuscles Thiem to win ATP Finals opener

Kevin Anderson made an impressive debut at the ATP Finals on Sunday, beating Dominic Thiem 6-3, 7-6 (12/10) as Roger Federer prepared to launch his bid for the 100th title of his storied career.