Kei Nishikori (born December 29, 1989) is a Japanese professional tennis player from Matsue, Shimane Prefecture. He became one of the most successful male tennis players from Asia in the modern era, combining quick footwork, aggressive baseline strokes, and strong return of serve. Nishikori is right‑handed and plays with a two‑handed backhand.

Early life and development

Nishikori grew up in Shimane and attended local schools before moving abroad to pursue tennis training as a junior. He trained with international academies and coaches, developing the speed, timing and consistency that would serve him on tour. His junior years included extensive travel and competition on ITF and junior circuits.

Playing style and strengths

Nishikori is noted for his foot speed, balance and depth from the baseline. He constructs points with angled forehands and a compact two‑handed backhand, and his aggressive returning often puts opponents on the defensive. Although not among the tallest players, his athleticism and anticipation are key elements of his game. Over his career he adapted his movement and shot selection to compensate during periods affected by injury.

Career highlights

  • Reached the final of a major Grand Slam tournament, a milestone for male players from Japan and Asia.
  • Reached a career-high world ranking inside the top five of the ATP rankings.
  • Won multiple ATP Tour titles and recorded deep runs at all four Grand Slam events.
  • Earned an Olympic medal representing Japan, a notable national achievement.

Impact and legacy

Nishikori helped raise the profile of tennis in Japan and across Asia, inspiring a generation of players and fans. His success on the ATP Tour demonstrated that players from the region could compete at the highest level. He has been a regular member of Japan's national team in events and a visible figure in promoting the sport domestically.

Throughout his professional life he has faced and managed injuries that intermittently interrupted his momentum, yet he remained a consistent presence at major tournaments. Beyond results, Nishikori is recognized for his work ethic, on‑court intelligence and role as a sporting ambassador for Japan.