Kei Nishikori

Kei Nishikori (錦織 圭, Nishikori Kei, [ɲiɕi̥koꜜɾi keꜜː]; born 29 December 1989) is a Japanese professional tennis player. He is the second male Japanese player to have been ranked in the top five in singles (after Jiro Sato), 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. Nishikori has won six ATP Tour 500 titles, six ATP Tour 250 titles and was runner-up at the 2014 US Open, making him the first man representing an Asian country to reach a major singles final. He also became the first man from Asia to qualify for the ATP Finals, and reached the semifinals in 2014 and 2016. In addition, Nishikori defeated Rafael Nadal to win the bronze medal at the 2016 Summer Olympics, bringing Japan its first Olympic tennis medal in 96 years. He holds the record for the highest win percentage in matches extending to five sets, with a record of 27–7 and a win percentage of 79.4%.