Overview

• Felix Auger-Aliassime defeated Alex de Minaur 4-6, 7-6 (9-7), 7-5, 7-6 (7-4) in 4 hours 10 minutes to return to the US Open last four.
• The tense quarterfinal swung on erratic serving, with both players logging 11 double faults while Auger-Aliassime delivered 22 aces.
• Auger-Aliassime awaits a semifinal against Jannik Sinner or Lorenzo Musetti.
• Amanda Anisimova ousted world No. 2 Iga Swiatek 6-4, 6-3, avenging her 0-6, 0-6 Wimbledon final loss from July.
• Naomi Osaka beat Karolina Muchova 6-4, 7-6 (7-3) to set a semifinal versus Anisimova, with Muchova hampered by a thigh issue.