Marta Kostyuk —
creating the game and opportunities

Marta won Les Petits As in France, one of the world’s most prestigious junior tennis tournaments, often referred to as the unofficial world championship for players under 14. In August, she helped Team Ukraine win the ITF World Junior Tennis Finals for girls under 14, and later that autumn made her professional debut, reaching the round of 16 at an ITF tournament in Sharm El Sheikh, Egypt.

In 2017, Marta won the Australian Open girls’ singles title, claimed her first professional ITF 25K title in Dunakeszi, Hungary, became the US Open girls’ doubles champion, and won the season-ending ITF Junior Masters. She finished the year as the World No. 2 junior.

At the age of 15, Marta made her main-draw debut at the Australian Open and became the youngest player in more than 20 years to reach the third round of a Grand Slam tournament. In Melbourne, she defeated Peng Shuai and Olivia Rogowska, won the Burnie International, broke into the WTA Top 200, and made her debut for the Ukrainian national team.

Marta reached her first WTA quarterfinal at the Internationaux de Strasbourg in France. It was her best result on the WTA Tour at the time.

Marta made her main-draw debut at both the US Open and Roland Garros. She reached the third round at the US Open and advanced to the doubles quarterfinals at Roland Garros.

Marta reached the semifinals of the Abu Dhabi Women’s Tennis Open and the Istanbul Cup, and advanced to the fourth round of Roland Garros for the first time. During the season, she broke into the WTA Top 50. In June, she was named to Ukraine’s Olympic team for the Tokyo Games but was forced to withdraw due to a shoulder injury.

Marta claimed her first WTA doubles title at the Slovenia Open alongside Tereza Martincová. The victory marked an important milestone in her professional career and demonstrated her strength in both singles and doubles.

Marta won the ATX Open in Austin, claiming her maiden WTA singles title. Later that year, she also won the Birmingham Classic doubles title alongside Barbora Krejčíková.

In 2023, Marta and her family founded the Marta Kostyuk Foundation to make tennis more accessible to children across Ukraine and create more opportunities for the next generation through sport. That same year, she also became Wilson’s first 360° ambassador.

Marta reached her first Australian Open quarterfinal in singles. During the season, she also reached the finals of the San Diego Open and the Porsche Tennis Grand Prix in Stuttgart, advanced to the semifinals of Indian Wells, and made her debut in the WTA Top 20.

In doubles, she reached the Roland Garros semifinals. Marta also represented Ukraine at the Paris 2024 Olympic Games, where she advanced to the quarterfinals.

Off the court, Marta was named to the Forbes 30 Under 30 Europe list in the Sport category and earned a bachelor’s degree in Physical Education Teaching and Coaching.

Marta defeated then World No. 3 Coco Gauff at the WTA 1000 Doha tournament, where she reached the quarterfinals. Throughout the season, she also produced strong results at WTA 1000 events, including Madrid and Montreal, and reached the fourth round of the US Open for the first time in her career.

Later that year, Marta helped Team Ukraine reach the Billie Jean King Cup semifinals for the first time in the nation’s history.

Marta began the 2026 season by reaching the final of the WTA 500 Brisbane International. In the spring, she won the Rouen Open, claiming her first career title on clay. The final was historic, marking the first all-Ukrainian WTA final.

In May, Marta won the biggest title of her career at the WTA 1000 Madrid Open. It was her first title at WTA 1000 level.

She then reached her first Roland Garros semifinal and Wimbledon quarterfinal, achieved a career-high ranking of World No. 12, and helped Team Ukraine qualify for the Billie Jean King Cup Finals.