Taylor Fritz believes he "let a lot of people down" after failing in his dream to become the first American man in 21 years to capture a Grand Slam title.
World number one Sinner, 23, clinched his second Grand Slam title of the season when he swept aside Taylor Fritz 6-3, 6-4, 7-5 before fighting back tears on the trophy podium.
Jannik Sinner won his second Grand Slam title of 2024 on Sunday when he swept aside Taylor Fritz in the US Open final, shattering American hopes of a first male champion at the majors in 21 years.
US Open 2024 Final Highlights, Jannik Sinner vs Taylor Fritz: World no.1 Jannik Sinner defeated Taylor Fritz 6-3,6-4,7-5 in the US Open 2024 men's singles final at the Arthur Ashe Stadium.
Taylor Fritz fought back to defeat compatriot Frances Tiafoe at the US Open on Friday, becoming the first American man to reach a Grand Slam final in 15 years
The sixth-ranked American came through 1-6, 6-4, 6-2 and will take on world number two and Australian Open champion Aryna Sabalenka in Saturday's championship match.
Double Australian Open champion Sabalenka triumphed over the 13th-seeded American 6-3, 7-6 (7/2) and will face either Jessica Pegula of the United States or the Czech Republic's Karolina Muchova in Saturday's final.
Jessica Pegula became the fourth American to reach this year's US Open semi-finals by stunning world number one Iga Swiatek as Jack Draper broke through to his first Grand Slam last-four.
Frances Tiafoe set up an all-American US Open semi-final against Taylor Fritz on Tuesday, guaranteeing a home player in the men's final for the first time in 18 years.
Indian tennis star Rohan Bopanna and his Indonesian partner Aldila Sutjiadi lost to the American pair of Donald Young and Taylor Townsend 3-6, 4-6 in the mixed doubles semifinal
Taylor Fritz and Emma Navarro reached their first Grand Slam semi-finals at the US Open on Tuesday, boosting home hopes of a double American title party this weekend.