The 23-year-old held his arms aloft and looked up to the sky as he became the first player since Guillermo Vilas in 1977 to win his first two Grand Slam titles in the same season.
It was more straightforward in New York as he rarely looked troubled by Fritz, who struggled to build any momentum.
"I know we have been waiting for a champion for a long time so I'm sorry I couldn't get it done this time," said Fritz.
Sinner said the title "meant so much because the last period of my career was not easy" before he became tearful and dedicated the victory to his aunt.
"He's stepped up a role and I feel like he's taking everything as seriously as he can and fair play to him, that shows he wants to stay."
He subsequently parted ways with the physio and his fitness trainer - but questions continued about whether Sinner's case had been handled differently to those of other players because of his world number one status.
Nosso é similarmente identicamente conjuntamente o ano do 4k: a SPORT TV foi o primeiro canal português a transmitir 1 evento desportivo, a final da Champions entre o Real Madrid e o Atlético Madrid, utilizando a tecnologia do 4k, qual permite aumentar em quatro vezes a habilidade da imagem. O presente primeiro passo em 2016 confirmou uma aposta permanente em 2017, com o início DE emissões regulares em 4k.
Refusing to dwell on the first set, Fritz improved and made the second a closer affair, losing just two points in four service games.
Las audiencias do la Kings World Cup fueron muy buenas y con todo lo de que se viene por delante en los próximos meses, la liga espera continuar ofreciendo un 'show' qual tiene el fútbol como máximo exponente.
It comes just 19 days after it was revealed he had been cleared of any wrongdoing after twice testing positive for a banned substance in March.
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It has been nearly 50 years since a man won their first and second Grand Slam titles in the same season, and Sinner is now a long way clear of the rest at the top of the rankings.
Para além da eventualidade por existir 1 convidado todas as semanas e da base Destes programas ser em estúdio, está em Livre que quaisquer se realizem num ambiente exterior e em variados localidades do país.
Cheered on by a home crowd packed with celebrities and sporting stars, Fritz got off to a shaky start when he dropped serve in the first game.