Aryna Sabalenka is defending her title at the US Open this year, after winning it in 2024 by defeating Jessica Pegula in the final. This year, she is the top seed and has defeated Rebeka Masarova (7-5, 6-1), Polina Kudermetova (7-6(4), 6-2), 31st seed Leylah Fernandez (6-3, 7-6(2)), and Cristina Bucșa (6-1, 6-4) in the first four rounds, respectively.
The World No. 1 was scheduled to face Markéta Vondroušová in the quarterfinals, but she advanced to the semifinals after the Czech withdrew from the tournament due to a knee injury.
Who Is a Part of Aryna Sabalenka’s Team for US Open 2025?
Sabalenka has been working with a consistent team for quite some time. Their strong rapport, support, hard work, and motivation have played a significant role in helping the Belarusian achieve her tennis accolades.
Let’s take a closer look at Sabalenka’s team at the 2025 US Open and the forces behind her as she aims to defend her title at Flushing Meadows.
1) Anton Dubrov – Coach
Sabalenka’s coach, Anton Dubrov, is also Belarusian, and they have been working together since 2020. Under Dubrov’s guidance, Sabalenka has won three Grand Slam singles titles: the 2023 and 2024 Australian Open titles by defeating Elena Rybakina and Zheng Qinwen, respectively, and the 2024 US Open by defeating Pegula in the championship match.
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Under Dubrov’s tutelage, Sabalenka won 14 WTA Tour-level singles titles and reached the No. 1 ranking in singles in the WTA rankings, among many other accomplishments.
2) Jason Stacy – Fitness Coach
Before working with Sabalenka, Jason Stacy gained experience in tennis by collaborating with Dmitry Tursunov. His experience also spans working with athletes from other sports, including swimmers, soccer players, ballroom dancers, and Olympic developmental teams. Additionally, he has a background in massage therapy, sports therapy, and strength and conditioning.
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Speaking about working with Sabalenka, Stacy stated that:
“When I met her she was a strong girl, a lot of power, but it wasn’t controlled, there was no intention or purpose behind it. I taught her the mechanics of breathing, got her to strengthen her respiratory muscles which has developed that calm, fierceness she has these days,” Stacy said.
3) Max Mirnyi
Sabalenka added Max Mirnyi to her team in early August 2025 as a consultant for the Cincinnati Open and the US Open. Mirnyi is a former World No. 1 in doubles and has won ten Grand Slam titles, including six in men’s doubles and four in mixed doubles. He also claimed a gold medal in mixed doubles at the 2012 London Olympics alongside Victoria Azarenka.
4) Georgios Frangulis – Boyfriend
Sabalenka and Georgios Frangulis have been in a relationship for over a year, first seen together during the 2024 Madrid Open. He frequently travels around the world to support her at her matches.
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Frangulis is the founder and CEO of Oakberry. He recently invested in the French Ligue 2 club Le Mans FC alongside investors such as Novak Djokovic and former Formula 1 drivers Kevin Magnussen and Felipe Massa.
5) Shane Liyanage – Data Scientist
Shane Liyanage is the founder of Data Driven Sports Analytics, serving as a strategy and insights consultant who uses data to inform tennis coaching decisions.
— Shane Liyanage (@LiyanageShane) August 30, 2025
His experience includes work with Cricket Australia, and he has worked with tennis players like Karolína Plíšková and Ons Jabeur, in addition to Sabalenka.
6) Andrei Vasilevski – Hitting Partner
Andrei Vasilevski, a former professional Belarusian tennis player, joined Sabalenka’s team in 2024 as her hitting partner.
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Vasilevski specialized in doubles, achieving a career-high ranking of world No. 52 in 2018. His career highlights include winning one ATP Tour doubles title at the 2021 Belgrade Open and reaching the quarterfinals at Wimbledon in 2017. He also represented Belarus in the Davis Cup, starting in 2009.
Who Will Sabalenka Face at the 2025 US Open SF?
After advancing to the semifinals of the 2025 US Open with a walkover, Sabalenka is set to face fourth seed Jessica Pegula.
Sabalenka and Pegula have faced each other nine times on the WTA Tour, with the World No. 1 winning seven of those encounters. Their most recent match-up was the final of the 2025 Miami Open, where Sabalenka claimed victory with a score of 7-5, 6-2, earning her eighth title and 19th career WTA Tour title.
The winner of the upcoming semifinal match between Sabalenka and Pegula at the 2025 US Open will advance to face either eighth seed Amanda Anisimova or 23rd seed Naomi Osaka in the final.
