Sofia Costoulas shines as one of Belgium’s rising stars in tennis. Fans admire her dedication, speed, and powerful groundstrokes on the court.
In this article, discover Sofia Costoulas’s net worth, career earnings, career overview, personal stats, relationships, and more. Get the latest detailed facts crafted for readers seeking concise and trustworthy information.
Sofia Costoulas’s Biography
| Attribute | Details |
|---|---|
| Full Name | Sofia Costoulas |
| Date of Birth | April 2, 2005 |
| Age | 20 |
| Nationality | Belgian (Greek and Congolese roots) |
| Height | 1.74m (5’8.5”) |
| Weight | 60kg (132 lbs) |
| Turned Pro | 2022 |
| Net Worth | $300,000 |
| Career Earnings | $156,121 |
| Instagram Profile | @sofiacostoulas |
Early Career
Sofia Costoulas was born in Genk, Belgium and started playing tennis at the age of four. Inspired by Kim Clijsters’s performances at the US Open, Sofia asked her parents for a racket after seeing Clijsters compete on TV.
Her father, a former professional footballer of Greek-Congolese heritage, encouraged her interest, but it was Sofia’s own passion for tennis that led her forward. Sofia trained at local clubs and prestigious academies like the Kim Clijsters Academy and the Justine Henin Academy.
In her junior years, she competed with enthusiasm, reaching the 2021 Wimbledon girls’ doubles final and the 2022 Australian Open girls’ singles final. These early accomplishments built the foundation for her professional journey.
Professional Career
Costoulas officially turned pro in 2022 and rapidly made her mark on the international circuit. In 2023, she claimed her first ITF titles in Limassol and Feld am See. She represented Belgium in the Billie Jean King Cup match against Hungary, highlighting her status as a leading young talent.
By 2025, she achieved a career-high singles ranking of No. 184 and a doubles high of No. 102. Sofia continually improved her tactics and consistency, focusing on making deep runs in Grand Slam qualifying tournaments. Her dedication to fitness, sharp instincts, and competitive drive have helped her earn respect throughout the tennis community.
Coach
Sofia Costoulas works with coach Ann Devries. Ann Devries is well-known for guiding players into the top 100 WTA rankings. Sofia appreciates her coach’s tactical expertise and personalized approach to training.
The relationship between Sofia and her coach centers on tactical improvement and honing her mental toughness, factors that have contributed to Sofia’s rapid progress in the past two years.
Sofia Costoulas’s Net Worth Details
As of 2025, Sofia Costoulas’s estimated net worth stands at approximately $300,000. Her career earnings from prize money alone reached $156,121 in mid-2025, with additional income from endorsements and sponsorships.
Career Earnings
| Year | Prize Money |
|---|---|
| 2025 | $78,156 |
| 2024 | $28,921 |
| 2023 | $32,145 |
| 2022 | $9,991 |
| 2021 | $3,563 |
| 2020 | $367 |
Endorsements
Sofia Costoulas secures endorsement deals with notable brands in the sports industry. She represents Nike for apparel and Wilson for rackets, which are among her primary sponsors.
These brands have recognized her growing reputation and strong presence within professional tennis. Alongside prize money, her endorsements contribute significantly to her annual income.
Costoulas promotes her sponsors actively through social media posts and tournament appearances, enhancing her marketability. As her career advances, more companies are likely to seek partnerships with her, bolstering both her financial growth and international profile.
Career Stats
| Category | Stat |
|---|---|
| Career-High Singles Rank | 184 (June 2025) |
| Career-High Doubles Rank | 102 (May 2025) |
| Singles Titles | 0 |
| Doubles Titles | 0 |
| Singles Record | 156-102 |
| Singles W-L (2025) | 31-14 |
| Doubles Record | — |
| Best Grand Slam (Juniors) | Australian Open F (2022) |
FAQs
1. What is Sofia Costoulas’s highest career WTA singles and doubles ranking?
Her best singles ranking so far is No. 181, and her best doubles ranking is No. 102. She reached these career highs during the 2025 tennis season.
2. Where did Costoulas train during her junior tennis years?
Costoulas trained at the Kim Clijsters Academy and the Justine Henin Academy in Belgium. Both of these elite tennis centers helped her develop strong technique and a competitive mindset from an early age.
3. Has Sofia Costoulas won any major junior or professional singles titles?
She reached the girls’ singles final at the 2022 Australian Open but finished as the runner-up. On the ITF circuit, Costoulas won several singles titles, yet she is still aiming for her first WTA Tour singles trophy.
4. What is Sofia Costoulas’s playing style and preferred surface?
Her game features powerful groundstrokes and excellent movement, making her effective from the baseline. She prefers hard courts but also enjoys competing on clay, adapting her style to different surfaces as needed.
5. Who are Costoulas’s parents, and do they have a sports background?
Her father is of Greek-Congolese heritage and played professional football in Belgium. This sports background supported Sofia’s tennis journey, inspiring her early and constant dedication to the sport.
