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Story summary
- Alex Michelsen reached his first Grand Slam quarterfinal at the 2026 U.S. Open.
- He defeated Argentina's Tomas Martin Etcheverry 7-6, 6-4, 6-4 in the fourth round.
- His victory ensures an American man will face Frances Tiafoe in the semifinals.
- Austrian Anastasia Potapova said her post-match wave was to a friend, not a goodbye to Amanda Anisimova.
- Italian Jannik Sinner missed the event because of a persistent knee injury.
