Marta Kostyuk is a Ukrainian professional tennis player who has climbed to a career-high WTA singles ranking of No. 10. Born in Kyiv on June 28, 2002, she turned professional in 2016 and quickly emerged as one of the brightest prospects in the sport. Her breakthrough at the 2018 Australian Open, where she reached the third round at age 15, signaled the arrival of a new talent on the global stage.
Today, Kostyuk is known not only for her aggressive baseline style and steady rise through the rankings but also for her strong off-court presence. She maintains verified social media accounts, represents Wilson as an ambassador, and has founded the Marta Kostyuk Foundation. Fans and followers regularly seek answers about her biography, personal life, ranking, US Open performances, and online presence.
Who is Marta Kostyuk?
| Age (WTA profile) | 24 |
|---|---|
| Height | 5’9″ (1.75m) |
| WTA Singles Ranking | No. 10 (career-high) |
| Official Instagram | @martakostyuk |
- Kostyuk is a Ukrainian professional tennis player who reached a career-high WTA singles ranking of No. 10.
- Official WTA data lists her at 5’9″ (1.75m), with 2 WTA singles titles and $4,311,527 in career prize money.
- Her verified Instagram positions her as a Wilson ambassador, 360 & Advisor, and founder of the Marta Kostyuk Foundation.
- At 15, she became one of the youngest players in the Open Era to reach the third round of the Australian Open.
- She made her top-20 debut on May 6, 2024, and recorded five top-10 wins in 2024.
- She is married to Heorhii (George) Keys, whom she wed in November 2023.
| Field | Value |
|---|---|
| Country | Ukraine |
| Sport | Tennis (WTA) |
| Age (WTA profile) | 24 yrs |
| Height | 5’9″ (1.75m) |
| Career-high singles ranking | No. 10 (achieved 14 September) |
| Current singles ranking | No. 10 per WTA snippet |
| WTA singles titles | 2 |
| Career prize money | $4,311,527 |
| Official Instagram | @martakostyuk |
| Notable off-court roles | Wilson ambassador; founder, Marta Kostyuk Foundation |
Is Marta Kostyuk married? Who is her husband or partner?
Marriage to Heorhii Keys
Marta Kostyuk married Heorhii (George) Keys in November 2023. Public reports consistently identify Keys as her husband and longtime partner, and no evidence of divorce or separation has been documented.
Relationship status and public confirmation
Kostyuk has not issued a direct statement about the marriage, yet her social media activity and consistent reporting from multiple outlets support the conclusion. No contradictory information has surfaced in official tennis profiles or reliable media reports.
What is Marta Kostyuk’s current WTA ranking and career record?
WTA ranking progression
Kostyuk reached a career-high singles ranking of No. 10 according to the Wikipedia snippet, though some third-party databases list her career-high as No. 11. The WTA official profile currently lists her at No. 10. She made her top-20 debut on May 6, 2024, and recorded five top-10 wins that year.
WTA titles and prize money
The WTA profile credits Kostyuk with 2 singles titles and career prize money of $4,311,527. Different databases report varying totals, likely due to different update cycles and classification of events.
Career singles record
One broader database lists her career singles record as 276–157, though this includes a wider set of matches than the WTA snippet. Her WTA-level hard-court record is 104–77, clay-court 38–24, and grass-court 14–15 according to a statistical database.
The WTA updates its official rankings every Monday. For the most current position, refer to the WTA player profile.
How has Marta Kostyuk performed at the US Open?
Kostyuk has established herself as a regular Grand Slam competitor, though a reliable year-by-year US Open draw or round-by-round record is not available from official sources. Her broader Grand Slam profile includes strong early-career performances, particularly her 2018 Australian Open run, while later results have reflected steady progress toward the top 10.
A definitive US Open career table should be sourced from the official US Open or WTA tournament archive, since third-party statistics for her Grand Slam results vary.
What are the key milestones in Marta Kostyuk’s career timeline?
- 2002: Born in Kyiv, Ukraine.
- 2016: Turned professional.
- 2018: Reached third round of Australian Open at age 15.
- 2023: Won first WTA singles title at ATX Open in Austin.
- 2023: Married Heorhii Keys in November.
- 2024: Made top-20 debut on May 6; recorded five top-10 wins.
- 2024: Achieved career-high WTA ranking of No. 10 (September 14).
For a detailed biography, see Marta Kostyuk’s career and biography.
What is known and what remains uncertain about Marta Kostyuk?
| Established information | Information that remains unclear |
|---|---|
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Why does Marta Kostyuk’s career-high ranking matter?
Kostyuk’s career-high No. 10 ranking places her in the top tier of Ukrainian women’s tennis and signals a significant breakthrough. Sports statistics are frequently searched alongside celebrity and off-court topics, so readers benefit from both quick facts and verified personal-life context.
The official Instagram bio connects the athlete to Wilson, advisory/360 work, and philanthropic activity. Tournament-specific questions, such as those about the US Open, benefit from a section showing draws and results rather than career totals alone.
Where can I find reliable information about Marta Kostyuk?
“Marta Olehivna Kostyuk is a Ukrainian professional tennis player. She has career-high rankings by the WTA of No. 10 in singles, achieved on 14 September.”
“Hailed from a very young age as one of the brightest prospects in world tennis, Marta Kostyuk has steadily established herself as a rising force on the WTA Tour.”
“Professional Tennis Player Athlete 360 & Advisor @wilson Ambassador. Founder @martakostyukfoundation”
What is the bottom line on Marta Kostyuk?
Marta Kostyuk is a 23-year-old Ukrainian professional tennis player with a career-high WTA singles ranking of No. 10. She is married, leads a foundation, and represents Wilson. For the most current statistics, refer to her WTA profile and statistics.
Frequently asked questions about Marta Kostyuk
Does Marta Kostyuk have a Wikipedia page?
Yes. The Wikipedia article summarizes her career, including her WTA career-high singles ranking of No. 10.
Is Marta Kostyuk on Facebook?
Yes. Her official Facebook page is @koostyuk.
What sponsor does Marta Kostyuk represent?
Her official Instagram bio lists her as a Wilson ambassador.
What is the Marta Kostyuk Foundation?
It is referenced in her official Instagram bio at @martakostyukfoundation and represents her philanthropic work.
How tall is Marta Kostyuk?
The WTA profile lists her height as 5’9″ (1.75m).
What is Marta Kostyuk’s age?
According to the WTA profile, she is 24 years old as of the latest update.
What is Marta Kostyuk’s nationality?
She is Ukrainian, born in Kyiv.
How many WTA titles has Marta Kostyuk won?
The WTA profile credits her with 2 singles titles.
How much prize money has Marta Kostyuk earned?
Career prize money is listed at $4,311,527 on the WTA profile.
What is Marta Kostyuk’s Instagram handle?
Her official Instagram handle is @martakostyuk.
Sophie Kendall is Culture & Events Editor at DailyCity.co.uk, covering restaurants, nightlife, theatre, exhibitions, festivals and city life.