Marta Kostyuk, the Ukrainian professional tennis player ranked No. 10 in the world as of September 2026, was born on 28 June 2002 in Kyiv, Ukraine. She is the daughter of former professional tennis player Talina Beiko and junior tournament director Oleg Kostyuk. Marta, now 24, is married to childhood sweetheart George Kyzymenko and has two sisters, Mariya and Zoryana, both of whom share her connection to sport.
Marta Kostyuk's Parents: Talina Beiko and Oleg Kostyuk
Marta's parents shaped her career from the very beginning. Both come from a sporting background, and both remain closely involved in her professional life.
Oleg Kostyuk: The Father and Junior Tournament Director
Oleg Kostyuk is the technical director of the Antey Cup, a prestigious junior tennis tournament held in Kyiv, Ukraine. He has been a constant presence at Marta's side throughout her career on tour. His role in junior tennis exposed Marta to the sport from a young age. He has been photographed with his daughter at various professional venues around the world.
Talina Beiko: The Mother and First Coach
Talina Beiko, born 31 August 1970, is a former professional tennis player. She competed on the international circuit from 1991 to 1996, winning two ITF singles titles in Łódź, Poland (May 1994) and Kyiv, Ukraine (October 1994). She also represented Ukraine in the Fed Cup in 1995. After retiring, Talina became a coach at the Antey Tennis Club. She was Marta's very first tennis coach, and her influence on her daughter's game is widely acknowledged.
Marta has spoken warmly about her mother's resilience and character, telling Tennis.com: "I never get tired of saying what an unbelievable woman she is...she's an amazing fighter." Talina now directs the Marta Kostyuk Foundation, which supports Ukrainian youth and communities affected by the ongoing conflict. On Instagram, the tennis star paid tribute to everything her mother taught her off the court, writing: "My mom taught me the most important things off the court: to speak my language proudly, to help where I can."
Marta Kostyuk's Siblings: Mariya and Zoryana Kostyuk
Marta Kostyuk's family includes two sisters: Mariya Kostyuk and Zoryana Kostyuk. Both have ties to sport, though neither has pursued a professional tennis career to the same level as Marta.
Mariya Kostyuk: The Older Sister and Collegiate Tennis Player
Mariya Kostyuk is Marta's older sister. She played collegiate tennis in the United States at both Chicago State University and Southeast Missouri State University. During the 2016–17 academic season, Mariya was named the Western Athletic Conference Women's Tennis Player of the Week, a notable achievement in American college tennis. The two sisters remain close and have been photographed together at various events.
Zoryana Kostyuk: The Younger Sister and Support
Zoryana Kostyuk is Marta's younger sister. She has been involved in both tennis and track and field. Zoryana regularly travels to support Marta at tournaments. Marta has spoken about the value of having her sister close by, telling Tennis.com: "She is a great support, and I am very happy to share this week with her."
Marta Kostyuk's Husband and Relationship Timeline
The tennis star is married to George Kyzymenko, a Ukrainian former tennis player and financial trader. The pair married on 1 November 2023 at the Minthis Resort in Cyprus. Their love story is rooted in childhood; the two first met at the same tennis club in Kyiv when Marta was four years old and George was nine. They lost touch as George moved to the United States for schooling and Marta embarked on her professional career. They reconnected in October 2022, and George proposed not long after. Marta Kostyuk has no children as of 2026; the couple share a pet dog.
Marta Kostyuk's Career Highlights and Net Worth
Marta Kostyuk claimed the biggest title of her career at the 2026 Mutua Madrid Open. She defeated Mirra Andreeva 6–3, 7–5 in the final, sealing the win with a signature backflip celebration. Her run included a victory over world No. 5 Jessica Pegula. The Madrid title was her third WTA Tour title overall and followed a win in Rouen the previous week. On 14 September 2026, Marta reached a career-high WTA ranking of No. 10.
Her exact net worth has not been published by official financial sources. Some entertainment articles such as First Sportz estimate her wealth to be $6 million, but this is not official. Her income comes from several streams: tournament prize money (over $11 million in career earnings), sponsorship deals including partnerships with Wilson Sporting Goods and Nike, and brand endorsements growing in line with her rising global profile. Marta Kostyuk's prize money in 2025 alone exceeded $1.7 million, reflecting her consistency at the top level of the sport.
Marta Kostyuk's Social Media Presence and Frequently Asked Questions
Marta is an active presence on social media. Her Instagram account (@martakostyuk) has over 826,000 followers as of 2026, with posts covering her matches, family life, and advocacy for Ukraine. She is 175 cm (5 ft 9 in) tall. Marta is not from a billionaire family; her parents are a former tennis professional and a junior tournament director. Marta Kostyuk’s parents and siblings have played a defining role in her rise as a tennis star, with her mother as a former professional player and coach, her father as a technical director at the Antey Cup, and her sisters Mariya and Zoryana supporting her along the way.
