28 years old Nishikori started playing tennis since his early five and by today he has won a number of titles and Grand slam. Nishikori participated in Australian Open, Frech Open, Wimbledon and US Open grand slam including different others competition. His relationship is closely followed by fans and media. He used to date Chinese table tennis player Ai Fukuhara prior to dating his current girlfriend is Honami Tsuboi, a former Japnese gymnast. The famous Asian Tennis star is not married yet.
A major part of this rising star 's earning is from Grand Slam, prize money from different competition and lucrative endorsement deals. He holds a huge record of earning U.S $ 11 million in a single year last year in 2016. This landed him in the rank of 10th top earning tennis players. His current net worth is estimated to be around U.S $ 27.3 million.