Alex Michelsen had never won more than three matches at a Grand Slam before this week. Now the 22-year-old Californian is through to his first major quarterfinal at the 2026 US Open without dropping a single set, a run that has made him the first American man to reach that stage in Flushing Meadows this year.
Michelsen closed out his fourth-round win over 27th seed Tomas Martin Etcheverry 7-6, 6-4, 6-4 on Sunday, according to the New York Post. The victory capped a stretch in which he beat Federico Cina, 16th seed Brandon Nakashima, and Daniel Merida en route to the round of eight, winning 12 consecutive sets across those four matches, per World Tennis Magazine. Michelsen had never previously advanced past the third round of a major tournament before this fortnight.
An All-American Rematch With History Attached
Michelsen's reward is a quarterfinal against fellow American Frances Tiafoe, who set up the matchup by upsetting world No. 7 Daniil Medvedev 7-6(1), 6-4, 7-6(6) on Sunday, according to 10sBalls. That win over Medvedev pushed Tiafoe's career record on Louis Armstrong Stadium to a perfect 10-0 and was his first tour-level win over the Russian after previously trailing their head-to-head 1-6, the outlet reported.
History favors Tiafoe entering the showdown. He holds a 2-0 career record against Michelsen, having beaten him in straight sets at the 2024 Dallas Open and the 2025 Houston Clay Court Championship, per the same 10sBalls report. The New York Post noted that Michelsen himself pointed to his form, saying he had not lost a set at this year's US Open and had been playing well.
From Georgia Recruit To Grand Slam Quarterfinalist
Michelsen's path to Flushing Meadows didn't run through a college campus, even though it briefly seemed like it might. The California native committed to play for the University of Georgia Bulldogs as the nation's top-ranked high school recruit in late 2022, but turned professional in August 2023 after reaching the final of the Hall of Fame Open in Newport as an 18-year-old, according to Georgia Athletics. He had vaulted more than 100 spots in the ATP rankings during July 2023 alone before making the jump.
Before turning pro, Michelsen won the 2022 Wimbledon boys' doubles title alongside fellow American Sebastian Gorzny, and he was coached by his mother, former San Diego State college player Sondra Michelsen, until age 15, per Laver Cup. Both of his parents played college tennis, and he chose tennis over baseball and soccer as a teenager, the same profile notes.
Michelsen entered this US Open ranked world No. 46 after previously reaching a career-high ATP singles ranking of No. 30 in July 2025. His quarterfinal run guarantees a return to the top 30, according to information cited via Wikipedia. He had accumulated 60 tour-level wins across his first two full seasons on tour in 2024 and 2025.
His only previous Grand Slam meeting with elite competition came in the second round of the 2024 US Open, when world No. 1 Jannik Sinner beat him in straight sets at Arthur Ashe Stadium en route to that year's final, per the ATP Tour. Sinner, the reigning world No. 1 and 2025 US Open runner-up, is not in the 2026 draw; the New York Post reported he missed this year's tournament because of a persistent knee injury and instead appeared at the Formula 1 Italian Grand Prix near Monza, Italy, though he reportedly told La Repubblica his knee was fine.
A Broader American Surge At Flushing Meadows
Michelsen's run is part of a larger story for American men's tennis this fortnight. Five American men — Michelsen, Tiafoe, Tommy Paul, Ben Shelton, and Learner Tien — advanced to the fourth round, the highest number of U.S. male players in a Grand Slam round of 16 since eight reached that stage at Flushing Meadows in 1995, according to reporting cited by Newsday. A total of 15 American players reached the third round of the singles draws this year, matching the 2002 tournament for the largest American third-round contingent at Flushing Meadows in 24 years, with five men and 10 women competing into the middle weekend.
The depth of the field only sharpens the stakes around Michelsen's quarterfinal. An American man has not won a Grand Slam singles title since Andy Roddick captured the 2003 US Open championship 23 years ago, with U.S. male players losing all six Grand Slam finals they have reached since then, according to Voz.us. Five of those six major final losses came against Roger Federer, before Taylor Fritz reached the 2024 US Open final, the outlet reported. Whatever happens between Michelsen and Tiafoe, an American man is now guaranteed a spot in the Flushing Meadows semifinals.
