Sinner was superior to ATP ranked tenth with 6-1, 6-4, 6-2.
The leader of the ranked in the fifth Grand Slam tournament has been to the semi -finals, but in the next match, he will be in the final this season in all Grand Slam.
In the final, Sinner will meet Canadian Felix Ogie-Aljasim (ATP 27), who defeated Alex De Minor (ATP 8) with the eighth-numbered Australian in the quarterfinals with 4-6, 7-6 (9: 7), 7-6 (7: 4).
The US Open Championship will end on Sunday.
Last year, Italian Jannik Sinner became the US Open champion, beating American Taylor Fritz in the final with 6-3, 6-4, 7-5.