Zeynep Sonmez vs Marta Kostyuk Preview & Prediction | 2025 US Open | Second Round

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Marta Kostyuk faces Zeynep Sonmez in the second-round of the US Open.
Start date/time:
Venue: USTA Billie Jean King National Tennis Center, New York, USA
Surface: Outdoor hard
How to watch on TV: UK – Sky Sports Tennis / US – ESPN
How to watch online: UK – Sky Go / US – ESPN+
Tickets: Visit this link for the latest Zeynep Sonmez vs Marta Kostyuk ticket information
Zeynep Sonmez vs Marta Kostyuk prediction
Zeynep Sonmez advanced to round two with a confident 6-3 6-4 victory over qualifier Katie Volynets. She was always in control of the match and demonstrated plenty of composure as she served the match out. Her progress has been steadily rising this year, as she won the Merida Open last year for her first WTA title and broke into the top 100, achieving a high of 74 last month.
Marta Kostyuk will be her opponent in round two as the 27th seed began her campaign with a 6-4 6-4 win over Katie Boutler. The Ukrainian was aggressive from the start and got into a rhythm that proved too much for the former British number one. She had a strong outing in Toronto, making the quarter-finals, and is arguably in her best run of form of the season.
Kostyuk leads the head-to-head 1-0, comfortably beating Sonmez 6-3 6-3 in Doha earlier this year. Another straight sets victory in favour of the Ukrainian is likely once more.
Zeynep Sonmez vs Marta Kostyuk tip: Marta Kostyuk to win