Coming into 2025 Naomi Osaka has been in a rebuilding phase and the US Open semifinal run marked one of her strongest performances in years. But for Osaka, success doesn’t only mean advancing deep in a Grand Slam by defeating champions like Coco Guaff in straight sets. It also shows up in less visible, more taxing ways: in the unexpected knock on her door from anti-doping testers.

Osaka took to social media to share what she’s been going through lately. A few days ago, taking to her Insatgarm stories, she had posted a a photo of her arm with a bandage, writing: “When anti-doping comes 2 times in 5 days and gets you in the same arm each time 😭😭😭” And yesterday, having revaluated these frequent tests as a measure of how well she seems to doing on court, she posted on Threads:

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