There have been some weird days at this year’s U.S. Open, but none of them come close to 10 years ago on Friday when Marin Cilic and Kei Nishikori turned the tennis world upside down.

Engaged in the Genoa Challenger, Japanese tennis player Kei Nishikori, at the microphones of "Supertennis", wanted to speak words of praise to Jannik Sinner. More specifically, the Japanese player ...

Ten years after playing in his only Major final at the US Open, Kei Nishikori is not in New York. The Japanese reached the Canada Masters quarter-final in August, achieving his best result in a ...

Kei Nishikori reached the Canada Masters quarter-final, notching his best results in years. The Japanese bravely skipped Cincinnati and the US Open, traveling to Europe and entering his first clay ...