Yoshihito Nishioka is a Japanese left-handed pro tennis player known for his relentless baseline game, and as of mid-2026 he’s still competing on tour while working his way back up the rankings after some tough injury-hit seasons.
Yoshihito Nishioka’s Biography
| Detail | Information |
| Full Name | Yoshihito Nishioka (西岡 良仁) |
| Nickname | Yoshi |
| Date of Birth | September 27, 1995 |
| Age | 30 |
| Nationality | Japanese |
| Height | 170 cm / 5 ft 7 in |
| Weight | 64 kg / 141 lbs |
| Handedness | Left-handed, two-handed backhand |
| Turned Professional | 2014 |
| Event / Category | Singles, ATP Tour |
| Current Team / Association | ATP Tour; Japan Davis Cup team; coached by brother Yasuo and Christian Zahalka |
| Career Prize Money | USD 7.46 million |
| Achievements / Titles | 3 ATP Tour titles, career-high ranking No. 24 (2023), 2014 Asian Games gold |
| Sponsors / Endorsements | Yonex |
| Marital Status | Married |
| Spouse / Partner | Saya Hiyama, married December 2024 |
| Instagram Profile | @yoshihito0927 |
Nishioka stands just 170 cm tall, making him one of the shorter players on tour, but he compensates with elite footwork and defensive skills. He’s married to Saya Hiyama, a former Japanese weather forecaster, and the couple tied the knot in December 2024.
Early Career
Nishioka started playing tennis at age four, taught by his tennis-coach father Norio. He rose through the junior ranks, reaching a combined world junior ranking of No. 12 in January 2012 and hitting the US Open junior semifinals that same year.
His breakout came in 2014 when he won gold at the Asian Games in Incheon, becoming Japan’s first men’s singles champion at that event since 1974.
Professional Career
Nishioka cracked the ATP top 100 in 2016 and won his first title in Shenzhen in 2018 after recovering from ACL surgery. His best season came in 2022, when he reached the Washington final and won the Korea Open, hitting a then-career-high ranking.
In 2023, he reached the fourth round at both the Australian Open and French Open, peaking at world No. 24. A third title followed in Atlanta in 2024, though 2025 and early 2026 have been rockier, with his ranking sliding into the 100s-170s range amid limited match wins.
Wife
Nishioka is married. He wed his longtime girlfriend Saya Hiyama, a former weather forecaster in Japan, in December 2024. There is no publicly available information confirming that the couple has children.
Yoshihito Nishioka’s Net Worth Details
As of 2026, Yoshihito Nishioka’s net worth is estimated around USD 5-6 million, built almost entirely from over a decade of ATP and Challenger Tour prize money plus his long-running Yonex endorsement. His career prize money alone sits above USD 7.4 million per ATP’s official figures, though take-home net worth accounts for taxes, coaching, and travel costs. Since his ranking has dropped outside the top 100 in 2026, his annual earnings have also declined compared to his 2022-2023 peak.
Prize Money
| Year | Prize Money |
| 2022 | $981,373 |
| 2023 | $1,269,979 |
| 2024 | $843,194 |
| 2025 | $754,343 |
| 2026 | N/A |
Career Earnings
| Category | Figure |
| Career Prize Money (ATP official) | $7,461,830 |
| Career-High Singles Ranking | No. 24 (June 19, 2023) |
| ATP Tour Titles | 3 (Shenzhen 2018, Korea 2022, Atlanta 2024) |
| ATP Challenger Titles | 7 |
| Career Match Record (ATP level) | 135-147 (through 2025) |
| Current ATP Ranking (2026) | Around No. 110-174 depending on update |
Endorsements
Nishioka’s main and most publicly documented sponsorship is with Yonex, the Japanese racquet and apparel manufacturer he’s partnered with since 2016. He plays with a Yonex VCORE 98 racquet strung with Polytour Spin, and wears Yonex clothing and shoes during tournaments.
Beyond Yonex, detailed information about additional current endorsement deals is not publicly available, so it’s safest to say his confirmed sponsor portfolio centers on this long-term equipment partnership.
Career Records
| Opponent (Ranking at time) | Event | Year | Result |
| Kei Nishikori (No. 5) | Cincinnati Open | 2019 | Win, 7–6, 6–4 |
| Gaël Monfils (No. 10) | Davis Cup Finals | 2019 | Win, 7–5, 6–2 |
| Andrey Rublev (No. 8) | Washington SF | 2022 | Win, 6–3, 6–4 |
| Casper Ruud (No. 2) | Seoul QF | 2022 | Win, 6–2, 3–6, 6–2 |
| Rafael Nadal | Mexican Open | 2017 | Loss |
| Novak Djokovic (No. 1) | French Open R1 | 2022 | Loss |
FAQs
1. Who is Yoshihito Nishioka?
Yoshihito Nishioka is a Japanese professional tennis player born on September 27, 1995, in Tsu, Mie Prefecture, Japan. He is a left-handed player with a two-handed backhand who turned professional in 2014 and has become one of the leading Japanese players on the ATP Tour.
2. What is Nishioka’s career-high ranking?
Nishioka reached a career-high ATP singles ranking of world No. 24 on June 19, 2023. This peak came shortly after he advanced to the fourth round of both the Australian Open and French Open that year, his best Grand Slam results to date.
3. How many ATP titles has Nishioka won?
Nishioka has won three ATP Tour singles titles in his career. His titles came at the 2018 Shenzhen Open, the 2022 Korea Open, and the 2024 Atlanta Open, where he defeated Jordan Thompson in the final.
4. What is Nishioka’s best Grand Slam result?
His best Grand Slam performance is reaching the fourth round, which he achieved at both the 2023 Australian Open and the 2023 French Open. At the French Open, he became only the second Japanese player after Kei Nishikori to reach the last 16 of the tournament since the start of the Open Era.
5. Has Nishioka won an Olympic or Asian Games medal?
Nishioka won the men’s singles gold medal at the 2014 Asian Games in Incheon, defeating top seed Lu Yen-hsun in the final, and also earned a bronze medal in the team event. He also competed in singles at the 2020 Tokyo Olympics, though he was eliminated in the first round.
6. What injuries has Nishioka faced in his career?
Nishioka suffered a significant setback in 2017 when he ruptured the ACL in his left knee during a match against Jack Sock at the Miami Open, requiring surgical reconstruction. He returned to competition in January 2018 using a protected ranking and went on to win his first ATP title that same year.
7. Who has Nishioka beaten among top-10 players?
Nishioka holds a career record of 4 wins against 21 losses versus top-10 ranked opponents. His notable top-10 victories include Kei Nishikori and Gaël Monfils in 2019, and Andrey Rublev and Casper Ruud in 2022.
8. Is Nishioka married?
Nishioka married his longtime girlfriend, former weather forecaster Saya Hiyama, in December 2024.
9. What is Nishioka’s height and playing style?
Nishioka stands at 5 feet 7 inches (170 cm) and weighs around 141 lbs (64 kg), making him one of the shorter players on tour. He plays left-handed with a two-handed backhand, relying on speed, defense, and consistency rather than power.
10. How much prize money has Nishioka earned?
Nishioka has earned over 7.4 million US dollars in career prize money from singles and doubles combined on the ATP Tour. This total reflects his sustained presence in the top 100 rankings across more than a decade as a professional.