Meet American Alex Michelsen, Surprise US Open Quarterfinalist
- American tennis player Alex Michelsen reached his first career Grand Slam quarterfinal on September 6, 2026, by defeating Argentina's Tomas Martin Etcheverry 7-6(6), 6-4, 6-4 at the US...
- Michelsen completed the fourth-round win over the 27th-seeded Etcheverry in two hours and 46 minutes on the Grandstand court, as reported by USOpen.org.
- Reflecting on his tournament run, Michelsen noted a mix of personal drive and unexpected momentum.
American tennis player Alex Michelsen reached his first career Grand Slam quarterfinal on September 6, 2026, by defeating Argentina’s Tomas Martin Etcheverry 7-6(6), 6-4, 6-4 at the US Open, according to official tournament reports. The 23-year-old unseeded Californian advanced at Flushing Meadows by securing straight-set victories through every round of the tournament, joining fellow American Learner Tien in the final eight.
Straight-Set Victory Over Etcheverry Secures Quarterfinal Spot
Michelsen completed the fourth-round win over the 27th-seeded Etcheverry in two hours and 46 minutes on the Grandstand court, as reported by USOpen.org. The world No. 46 faced his toughest test in the opening set tiebreak, where he saved two set points down 4-6 before winning four consecutive points to claim the set.
Once I got away with the first set, I thought I had a good chance,
Michelsen said in his on-court interview, according to USOpen.org.
He finished the match with 44 winners, sealing the victory with his 12th ace. According to USOpen.org, Michelsen dropped only two break points across the final two sets, securing a crucial service break in the fifth game of the third set with an overhead winner.
Balancing Form and Low Profile at Flushing Meadows
Reflecting on his tournament run, Michelsen noted a mix of personal drive and unexpected momentum. He stated that his run-up form prior to the tournament did not feel particularly strong, but his years of hard work prepared him for the breakthrough.
I’m a little bit surprised just because I feel like my run-up form wasn’t super good coming into this tournament,
Michelsen said. And I say no, because I have been working my ass off for, I don’t know how many years, playing this sport.
While high-profile American players like Tommy Paul and Frances Tiafoe drew large crowds at Arthur Ashe Stadium and Louis Armstrong Stadium, Michelsen operated largely under the radar. He embraced the quieter atmosphere. He remarked that he did not feel slighted by the lack of mainstream attention, noting that younger players have performed exceptionally well and that he prefers staying out of the spotlight.
Upcoming Quarterfinal Match Against Frances Tiafoe
Michelsen advances to face Frances Tiafoe in an all-American quarterfinal clash, after Tiafoe secured a straight-sets victory over former US Open champion Daniil Medvedev, according to USOpen.org. Michelsen holds a 0-2 head-to-head record against Tiafoe and expects the match to take place on the tournament’s main stage.
That would likely be in Arthur Ashe stadium,
Michelsen said, as reported by USOpen.org. That would be a once in lifetime experience.

