Tennis star Aryna Sabalenka says female athletes facing trans competitors 'just not fair to women'

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Ahead of their Battle of the Sexes tennis match later this month, Aryna Sabalenka and Nick Kyrgios said trans athletes should not compete against biological women.

The tennis stars are playing an exhibition match that will feature modifications in which Kyrgios will only get one serve, and he will be hitting toward a smaller side of the court.

The modifications make sense, given Sabalenka's thoughts on women facing biological men in sports.

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Aryna Sabalenka reacts during the women's singles final against Amanda Anisimova not pictured) of the 2025 U.S. Open at Billie Jean King National Tennis Center.  (Mike Frey/Imagn Images)

"I have nothing against them, but I feel like they still have a huge advantage over women," Sabalenka told Piers Morgan Tuesday. "I think it's just not fair to women to basically face biological men. It's not fair. The women work their whole life to reach her limit, and then she has to face a man, which is biologically much stronger. So. for me, I don't agree with this kind of stuff in sport."

Kyrgios added that he felt "the exact same way."

Sabalenka's thoughts echo those of tennis legend Martina Navratilova, who, despite numerous criticisms of President Donald Trump and the Republican Party, has maintained her stance that girls and women should not face biological males.

The name of the Sabalenka-Kyrgios exhibition was borrowed from the 1973 match between Billie Jean King and Bobby Riggs, which King won in straight sets in the Houston Astrodome.

Aryna Sabalenka of Belarus reacts against Amanda Anisimova during the women's finals of the U.S. Open Sept. 6, 2025,