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Alex Michelsen advances to US Open quarterfinals without dropping a set

Yahoo Sports • 1 min read • Latest: Sep 7, 2026, 11:01 AM

Last updated Sep 7, 2026

Alex Michelsen advances to US Open quarterfinals without dropping a set

Summary

Unseeded American Alex Michelsen secured a place in the US Open quarterfinals after a straight-sets victory over Tomas Martin Etcheverry in the fourth round. The 22-year-old California native has moved through the tournament draw without dropping a single set across his four matches. Michelsen, currently ranked No. 46 on the ATP Tour, holds a 4-0 record in the tournament to date. He now faces No. 11 seed Frances Tiafoe in the quarterfinals on Tuesday, Sept. 8. A victory for Michelsen would guarantee him a spot in the top 30 of the world rankings for the first time in his professional career.

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By the Numbers

•Alex Michelsen reached his first US Open quarterfinal without losing a set.
•The 22-year-old American defeated Tomas Martin Etcheverry in the fourth round.
•Michelsen faces No. 11 seed Frances Tiafoe in the quarterfinals on Sept. 8.
•A win in the quarterfinals would move Michelsen into the top 30 of the ATP rankings.

Latest Updates

11:01 AMYahoo Sports — Meet American Alex Michelsen, the surprise quarterfinalist at US Open

What they're saying

"
Alex Michelsen, a 22-year-old unseeded American, has been blitzing through the US Open and hasn't lost a set in any of his four victories.
— Yahoo Sports

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