Kei Nishikori is a renowned Japanese professional tennis player celebrated for his quick reflexes and strong baseline play.
Born on December 29, 1989, in Matsue, Shimane Prefecture, Japan, Nishikori has made significant strides in tennis, becoming the first male Japanese player to reach the top 5 in singles during the Open Era.
You can follow Kei Nishikori’s net worth, salary, career earnings, contract, stats, wife, career overview, and more here.
Kei Nishikori’s Net Worth Details
Kei Nishikori’s net worth is estimated to be $24 million as of 2025. His earnings come from his prize money as a professional tennis player, endorsements, and other sources.
Prize Money
Kei Nishikori, the accomplished Japanese tennis player, has significantly impacted the sport through his on-court achievements and financial success.
As of 2024, Nishikori has accumulated a remarkable $25,102,112 in prize money from his singles and doubles matches combined.
Career Earnings
| Year | Prize Money Earned |
| 2021 | $1,039,797 (Singles), $5,062 (Doubles) |
| 2020 | $164,635 (Singles) |
| 2015 | $2,368,445 (Singles), $9,731 (Doubles) |
| 2014 | $2,628,267 (Singles), $7,856 (Doubles) |
| 2013 | $772,835 (Singles), $18,038 (Doubles) |
| 2012 | $675,190 (Singles), $18,664 (Doubles) |
| 2011 | $618,492 (Singles), $12,790 (Doubles) |
| 2010 | $167,200 (Singles), $4,195 (Doubles) |
| 2009 | $51,139 (Singles) |
| 2008 | $298,376 (Singles), $4,894 (Doubles) |
| 2007 | $49,766 (Singles), $3,857 (Doubles) |
Endorsements
Kei Nishikori has established himself as a prominent figure in the world of tennis, not only through his performances on the court but also through his lucrative endorsement deals.
Some of his notable endorsement partners include:
- Asahi: A leading beverage company in Japan known for its beer
- NTT: Nippon Telegraph and Telephone Corporation, a Japanese telecommunications company
- Japan Airlines: With whom Nishikori re-upped a lucrative deal, highlighting his status as a high-profile athlete in Japan
- Lixil: A Japanese manufacturer of building materials and housing equipment
- Procter & Gamble: A multinational consumer goods corporation
- Nissin: A Japanese food company famous for its instant noodles
- Uniqlo: A global casual wear retailer with whom Nishikori signed a significant endorsement deal reportedly worth at least US$50 million, extending to the Tokyo 2020 Olympic Games and possibly beyond
About Kei Nishikori
| Detail | Information |
| Full Name | Kei Nishikori |
| Nickname | N/A |
| Birth Date | December 29, 1989 |
| Height | 1.78 m (5 ft 10 in) |
| Weight | 70 kg |
| Birthplace | Matsue, Shimane, Japan |
| Nationality | Japanese |
| Current Net Worth | $24 million |
| Relationship Status | Married |
| Wife | Mai Yamauchi |
| Instagram Profile | @keinishikori |
Kei Nishikori was born into a family with a diverse background. His father, Kiyoshi, is an engineer, and his mother, Eri, is a piano teacher. He has an older sister, Reina, a college graduate working in Tokyo.
Nishikori began playing tennis at age five and had already clinched the All Japan Tennis Championships for Kids by 2001.
Early Career
Nishikori’s talent was evident early on. He played his first junior match at 13 and quickly made a name for himself by winning the 2004 title at the Riad 21 Tournament in Rabat, Morocco.
His junior career was marked by a quarter-final appearance at the 2006 Junior French Open and a boys’ doubles title at the same event.
Professional Career
Kei Nishikori turned professional in 2007 and quickly made a name for himself on the ATP Tour.
Nishikori’s breakthrough came in 2008 when he won his first ATP title at the Delray Beach Open, becoming the youngest player to win an ATP title since Lleyton Hewitt in 1998.
One of the most significant milestones in Nishikori’s career was reaching the final of the 2014 US Open, where he became the first Asian man to compete in a Grand Slam singles final.
He has won 12 ATP singles titles, including four consecutive titles at the Memphis Open. His career highlights also include reaching the finals of the Mutua Madrid Open in 2014, the Miami Open in 2016, and the Rogers Cup in 2016.
Nishikori achieved his career-high singles ranking of world No. 4 on March 2, 2015, making him the second male Japanese player in the top five in singles, after Jiro Sato, and the only one to do so in the Open Era.
Wife
Kei Nishikori’s wife is Mai Yamauchi. The couple married on December 11, 2020, at an intimate ceremony attended by close friends and family. Mai Yamauchi is a former professional model.
Career Stats
| Statistic | Data |
| ATP Singles Titles | 12 |
| Grand Slam Final Appearances | 1 (2014 US Open) |
| Olympic Medals | Bronze (2016) |
FAQs
1. What is Kei Nishikori’s highest singles ranking and when did he achieve it?
He achieved a career-high ranking of world No. 4 on 2 March 2015, the highest ever by a Japanese man in the Open Era. That ranking followed his breakthrough season, which included reaching the US Open final and several Masters 1000 semifinals.
2. How many ATP singles titles has Kei Nishikori won throughout his career?
He has captured twelve ATP Tour singles titles, highlighted by four consecutive Memphis Open victories between 2013 and 2016, and has reached 26 singles finals at ATP Tour events through early 2025. He also reached finals at multiple ATP Masters 1000 and ATP 500 tournaments, underscoring his consistency at the elite level.
3. What is Kei Nishikori’s most significant Grand Slam achievement?
His most significant Grand Slam achievement came at the 2014 US Open, where he reached the championship match. He became the first man representing an Asian country to contest a major singles final, solidifying his breakthrough on tennis’s biggest stages.
4. Which Olympic medal did Kei Nishikori earn and why was it historic for Japan?
He won the bronze medal in men’s singles at the 2016 Rio Olympics by defeating Rafael Nadal in the third-place match. That victory secured Japan its first Olympic tennis medal in 96 years and marked a landmark achievement for his nation.
5. What defines Kei Nishikori’s style of play on the tennis court?
Kei Nishikori is a right-handed aggressive baseliner with a two-handed backhand, known for his exceptional quickness, precise groundstrokes, and ability to redirect pace. His defensive skills and return of serve consistently challenge the top players and set him apart on tour.
