How Marta Kostyuk’s ‘testosterone advantage’ claims against Sabalenka and Swiatek sparked outrage

Testosterone Advantage Claims Spark Outrage in Tennis

Marta Kostyuk, a Ukrainian tennis player, has sparked controversy by claiming that Aryna Sabalenka and Iga Swiatek have an advantage due to higher testosterone levels.

Kostyuk, ranked 28th in the world, has a 0-4 record against Sabalenka and 0-3 against Swiatek.

Kostyuk's claims suggest that Sabalenka and Swiatek's higher testosterone levels give them an edge over opponents.

Kostyuk's comments were made after being asked about playing against Sabalenka and Swiatek, and their dominance in the sport.

Author's summary: Tennis controversy erupts over claims of testosterone advantage.

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Firstpost Firstpost — 2025-10-24

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