Japanese tennis star Kei Nishikori, a former world number four, has issued a public apology to his wife Mai Yamaguchi and ...

Japan's Kei Nishikori rose to fourth in Monday's new world rankings, equaling Kimiko Date-Krumm as his country's highest-ranked tennis player. The 24-year-old, who is the top-ranked Asian-born man ...

Andy Murray survived an early scare to come back and beat Kei Nishikori in the longest ever ATP World Tour Finals match at the London O2 Arena.

Tokyo - Record-breaking Japan superstar Kei Nishikori rose to fourth in Monday's new world rankings, equalling Kimiko Date-Krumm as his country's highest-ranked tennis player. The 24-year-old, who is ...

Kei Nishikori braved on-court temperatures nudging the 40-degree mark to clinch a famous 6-4, 1-6, 7-6 (7/4), 6-3 victory over the top-seeded Serb Novak Djokovic.

World number 12 Kei Nishikori banished his U.S Open demons to propel Japan back into the Davis Cup world group with a 3-2 comeback victory over Colombia on Sunday.

Taking Aim at Novak Djokovic, Kei Nishikori Wants a Streak of His Own The world’s No. 1 has beaten his third-round opponent in 16 straight matches. The unseeded Japanese player is optimistic.

Tokyo - Record-breaking Japan superstar Kei Nishikori rose to fourth in Monday's new world rankings, equalling Kimiko Date-Krumm as his country's highest-ranked tennis player. The 24-year-old, who is ...