Alex Michelsen and his girlfriend, Caroline, continue to keep a low profile during his successful run at the 2026 US Open.

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.

NEW YORK (AP) — Frances Tiafoe knew Alex Michelsen needed a shoulder to cry on. So after handing his fellow American a crushing defeat in the U.S. Open quarterfinals Tuesday, Tiafoe held Michelsen in a long embrace while the 22-year-old sobbed into his shoulder.

Frances Tiafoe and Alex Michelsen will face off Tuesday in US Open quarterfinals action at Arthur Ashe Stadium, with a spot in the semifinals and a meeting with either Ben Shelton or Carlos Alcaraz on the line.

Tiafoe battled back from a huge deficit against Alex Michelsen to return to the semifinals for the third time in New York

World number one Aryna Sabalenka faces Wimbledon champion Linda Noskova as the US Open quarter-finals get under way.