In several media interviews, Kei Nishikori emphasized how tired he was, and he also higlighted his busy schedule, which most of his colleagues talked about.

He apologized "for causing discomfort to everyone who supports me," in a translated statement provided to Japanese tabloid Shukan Bunshun Tennis star Kei Nishikori is speaking out amid cheating ...

Japanese tennis star Kei Nishikori was getting a little too much love off the court. The world’s No. 61 player is alleged to be having a years-long affair with model Azuki Oguchi by Japanese tabloid ...

On Wednesday, Kei Nishikori (No. 64 in the world) meets Yoshihito Nishioka (No. 68) in the Round of 128 at the Miami Open presented by Itau. In Nishikori's last action, he was defeated by Ugo Humbert ...

— -- As Natsuo Yamanaka walked through the Tokyo airport Sunday night, he proudly listened to the culmination of a decade's work. On the ticket lines, in the bars, at the kiosks, everyday ...

PARIS -- Kei Nishikori became the first Japanese man in more than 80 years to reach the quarterfinals at the French Open as he breezed past Teymuraz Gabashvili of Russia 6-3, 6-4, 6-2 on Sunday. In a ...

In memory of Nick Bollettieri, TENNIS.com proudly presents “Nick’s Notes,” an exclusive look at tips, tricks, and takes written by one of the greatest coaches of the modern era. Today, we’re sharing ...

Kei Nishikori beat Roger Federer for the first time in more than four and a half years on Sunday, snapping a six-match losing streak to the Swiss with a 7-6 (4) 6-3 round robin win at the ATP Finals.

LONDON – By Japanese standards, Kei Nishikori is a renegade. At 14, he left the protective womb of Japanese society and relocated to the IMG/Bollettieri Academy in Florida to pursue his tennis dreams.

WASHINGTON (AP) — Kei Nishikori already was going to enter the U.S. Open brimming with confidence, thanks to his runner-up finish there a year ago. A title at a hard-court tuneup a few weeks before ...

Benoit Paire has gained a cult following on the tennis tour for his fiery temper, fondness for fast food and guzzling soft drinks during changeovers. But on the opening day of the U.S. Open, the ...