Kei Nishikori is the first Japanese player who listed in the Forbes magazine list of richest athletes 2017. He did not earn much money from the tennis tournaments but his endorsement earnings make him the top paid Asian tennis player.
Annual Salary & Endorsement Earnings : $33.3 million (2017)
In 2014, he shocked number of top tennis star after reaching the final of US Open 2014. He suffer defeat in the final match but his skills as tennis player during that term improved allot. In 2016, Nishikori represent the team of the Japan in the Rio Games 2016, won the bronze medal for the country in tennis competition.
The endorsement deals he signed made him the most paid super star tennis player in year 2017 from Asia. Kei Nishikori deals worth ($30 million) which include brands such as (Uniqlo, Wilson, Nike, Procter & Gamble, Jaguar and Tag Heuer). He ranked at 19th place in the career prize money leaders list of tennis with ($17.7 million) from all tennis competition.