Kei Nishikori is a Japanese professional tennis player. He is the second male Japanese player to have been ranked in the top 5 in singles, and the only one to do so in the Open Era. Nishikori first reached his career-high singles ranking of world No. 4 in March 2015.
| Name | Kei Nishikori, Air K |
| Born | December 29, 1989 in Matsue, Shimane, Japan |
| Height | 5 ft 10 in (1.78 m) |
| Parents | Eri Nishikori, Kiyoshi Nishikori |
| Siblings | Reina Nishikori |
| School | Aomori-Yamada High School ( in Japan ) |
| Profession | Tennis player, Japanese tennis player, Tennis |
| Nationality | Japanese |
