Jan Zieliński stands as one of Poland’s most successful tennis doubles specialists, capturing global attention with his remarkable Grand Slam victories.
The Warsaw-born athlete transformed from a college tennis player into a world-class competitor, reaching the pinnacle of doubles tennis with multiple championship titles. His journey from University of Georgia to the ATP Tour showcases dedication and exceptional skill.
In this article, you will know Jan Zieliński’s net worth, career earnings, career overview, stats, relationship, and more about this talented Polish tennis star who continues making waves in professional tennis.
Jan Zieliński’s Biography
| Detail | Information |
|---|---|
| Full Name | Jan Zieliński |
| Date of Birth | November 16, 1996 |
| Age | 28 years old |
| Education | University of Georgia (Bachelor’s in Sport Management) |
| Nationality | Polish |
| Height | 5’11” (180 cm) |
| Weight | 183 lbs (83 kg) |
| Turned Pro | 2019 |
| Net Worth | $1.6 million |
| Career Earnings | $1,663,483 |
| Girlfriend | Klaudia Kołakowska |
| @jan_zielinski_ | |
| @zielaczekk |
Early Career
Jan Zieliński’s tennis journey began in Warsaw, Poland, where he first picked up a racquet as a young boy. Growing up in a country with a rich tennis tradition, he quickly showed promise in both singles and doubles play. His early years featured intensive training and competition across European junior tournaments, where he developed the fundamentals that would later define his professional career.
The pivotal moment in Zieliński’s development came when he received an opportunity to study and play tennis at the University of Georgia. This transition from European tennis to American college tennis proved transformative for his game. At Georgia, he earned the nickname “Dr. Z” for his surgical precision on court, a moniker that followed him throughout his career.
During his time at the University of Georgia from 2016 to 2019, Zieliński achieved significant academic and athletic success. He earned All-American honors twice and completed his bachelor’s degree in sport management. The college environment provided him with world-class coaching, training facilities, and competition against top-level players from around the globe. His teammates and coaches recognized his exceptional work ethic and natural talent for doubles play, which became his specialty.
The American college tennis system exposed Zieliński to different playing styles and strategies that enriched his understanding of the game. He formed lasting friendships with fellow players, including future Georgia football watchers who would later support his professional career. This period laid the foundation for his transition to professional tennis, giving him the skills and confidence needed to compete at the highest level.
Professional Career
Zieliński turned professional in 2019 and immediately focused on doubles tennis, where his court vision and strategic mind proved most effective. His breakthrough came quickly when he partnered with compatriot Hubert Hurkacz to win his first ATP Tour title at the 2021 Moselle Open. This victory marked his entry into the top 100 doubles rankings and established him as a rising star in professional tennis.
The 2022 season brought significant progress as Zieliński reached his first Grand Slam quarterfinal at the US Open, partnering with Hugo Nys. This achievement propelled him into the top 40 doubles rankings and demonstrated his ability to compete at the highest level. His partnership with Nys proved particularly successful, leading to multiple title wins and consistent deep runs in major tournaments.
The 2023 season became Zieliński’s breakout year. He and Nys reached the Australian Open final, marking his first Grand Slam final appearance. Although they lost to the Australian pair of Rinky Hijikata and Jason Kubler, the run elevated Zieliński’s profile significantly. The highlight of 2023 came at the Italian Open in Rome, where he won his first Masters 1000 title, reaching a career-high ranking of No. 7 in June.
His 2024 campaign exceeded all expectations. Zieliński achieved his greatest success by winning two Grand Slam mixed doubles titles – the Australian Open and Wimbledon – both partnering with Su-Wei Hsieh.
These victories made him the first Polish player to win mixed doubles titles at these prestigious tournaments. He also secured his fifth ATP title at the Mexican Open, partnering with Nys at the ATP 500 level.
Coach
Mariusz Fyrstenberg serves as Jan Zieliński’s coach, bringing extensive experience as both a player and mentor to their partnership. Fyrstenberg enjoyed a successful professional career as a doubles specialist, reaching a career-high ranking of No. 9 in doubles and winning multiple ATP titles.
His playing experience provides valuable insights into the strategies and mental aspects of professional doubles tennis.
The coaching relationship between Fyrstenberg and Zieliński represents a perfect match of experience and ambition. Fyrstenberg understands the specific challenges of doubles tennis, including positioning, communication, and tactical decision-making that occur at split-second intervals.
His guidance helps Zieliński navigate complex match situations and develop strategies against different playing styles.
Girlfriend
Jan Zieliński enjoys a stable relationship with his longtime girlfriend, Klaudia Kołakowska. The couple has been together for several years, maintaining their relationship despite the demanding travel schedule that professional tennis requires.
Kołakowska often provides support during tournaments and celebrations, sharing in Zieliński’s victories and challenges throughout his career.
Their relationship began during Zieliński’s college years, and they have grown together as he transitioned from amateur to professional tennis. Kołakowska understands the unique demands of professional tennis, including extended periods of travel and the pressure of competition at the highest level.
She frequently appears in his social media posts celebrating major victories and personal milestones.
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Career Earnings
| Year | Prize Money | Titles | Major Results |
|---|---|---|---|
| 2019 | $10,080 | 0 | Professional debut |
| 2020 | $8,708 | 0 | COVID-affected season |
| 2021 | $36,776 | 1 | First ATP title |
| 2022 | $254,005 | 1 | US Open quarterfinal |
| 2023 | $485,000 | 2 | Australian Open final, Rome Masters |
| 2024 | $650,000 | 3 | Australian Open & Wimbledon mixed doubles wins |
| 2025 | $218,914 | 0 | Current season earnings |
Endorsements
Monitor ERP serves as Jan Zieliński’s primary sponsor, providing financial support and equipment for his professional tennis career. The partnership gained significant visibility during his 2024 Australian Open mixed doubles victory, where the company’s logo appeared prominently throughout the tournament coverage.
This sponsorship represents a strategic investment in Polish tennis, capitalizing on Zieliński’s rising profile and success at Grand Slam events.
The endorsement deal with Monitor ERP extends beyond simple financial support, creating a genuine business partnership that benefits both parties. The company gains international exposure through Zieliński’s tournament appearances and social media presence, while he receives the resources necessary to compete at the highest level.
This relationship exemplifies successful sports marketing, where sponsor and athlete goals align perfectly.
Additional endorsement opportunities continue to emerge as Zieliński’s profile grows within international tennis. His success in mixed doubles, particularly his victories at prestigious tournaments like the Australian Open and Wimbledon, attracts attention from potential sponsors seeking association with winning athletes.
The Polish market represents significant potential for brands looking to connect with tennis fans in Eastern Europe.
Career Stats
| Category | Statistics |
|---|---|
| Career High Singles Ranking | No. 769 (September 20, 2021) |
| Career High Doubles Ranking | No. 7 (June 19, 2023) |
| Current Doubles Ranking | No. 25 (November 2024) |
| Career Prize Money | $1,663,483 |
| Singles Record | 0-2 |
| Doubles Record | 122-89 |
| Doubles Titles | 5 |
| Mixed Doubles Titles | 2 |
| Grand Slam Doubles Results | Australian Open Final (2023) |
| Grand Slam Mixed Doubles | Australian Open Winner (2024), Wimbledon Winner (2024) |
| Davis Cup Record | 2-0 |
| Masters 1000 Titles | 1 (Italian Open 2023) |
| ATP 500 Titles | 1 (Mexican Open 2024) |
FAQs
1. What is Jan Zieliński’s current net worth and career earnings?
Jan Zieliński’s net worth reaches approximately $1.6 million in 2025, with total career prize money earnings of $1,663,483. His wealth comes primarily from tournament winnings, sponsorship deals, and endorsement agreements accumulated throughout his professional tennis career.
2. Who is Jan Zieliński’s girlfriend and do they have children?
Zieliński maintains a long-term relationship with his girlfriend Klaudia Kołakowska, who has supported him throughout his professional tennis journey. The couple does not have children currently, focusing instead on his career development and their relationship while traveling internationally for tournaments.
3. What are Jan Zieliński’s biggest tennis achievements?
His greatest achievements include winning the 2024 Australian Open and Wimbledon mixed doubles titles with Su-Wei Hsieh, making him the first Polish player to win these prestigious mixed doubles events. He also reached the 2023 Australian Open doubles final and won the 2023 Italian Open Masters 1000 title.
4. How did Jan Zieliński earn his nickname “Dr. Z”?
Zieliński earned the nickname “Dr. Z” during his college tennis career at the University of Georgia for his surgical precision on court. His teammate’s brother coined the term, comparing his playing style to performing clean surgeries on opponents through his exceptional court awareness and tactical execution.
5. What is Jan Zieliński’s educational background and college tennis experience?
Zieliński attended the University of Georgia from 2016 to 2019, where he earned a bachelor’s degree in sport management while playing college tennis. He achieved All-American honors twice during his college career and developed the foundational skills that launched his successful professional tennis journey.
