ESPN.com · Sep 4, 2025
Naomi Osaka beats Karolina Muchova, returns to US Open semis
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Naomi Osaka kept up her resurgent run at the US Open, eliminating No. 11 Karolina Muchova 6-4, 7-6 (3) on Wednesday night to return to the semifinals at Flushing Meadows for the first time since winning the title five years ago.
The 23rd-seeded Osaka improved to 5-0 in major quarterfinals -- all on hard court -- keeping alive a trend that has seen her win the title every time she has reached the last eight at a Slam.
"It means so much. I'm actually surprised I'm not crying," Osaka said in her on-court interview. "It's been so much hard work that you guys haven't seen, I'm just grateful to my team and happy to be healthy."