Jannik Sinner vs Felix Auger Aliassime Prediction & Picks - ATP US Open

Prediction published on 9/5/25, 3:23 PM  by Lou Aguila in ATP US Open Picks

World’s No.1 Jannik Sinner will go up against a familiar face in the semifinal of the 2025 US Open on Friday.

Sinner is a whooping -2000 favorite despite holding a 1-3 head-to-head record against his next opponent, Felix Auger-Aliassime of Canada.

Current Form:

Sinner bounced back quickly from his crushing final loss to Carlos Alcaraz 0-5 ret. at the 2025 Cincinnati Open by ramming down his first five opponents at the US Open. The four-time Grand Slam winner has taken down Vit Kopriva 6-1 6-1 6-2, Alexei Popyrin 6-3 6-2 6-2, Denis Shapovalov 5-7 6-4 6-3 6-3, Alexander Bublik 6-1 6-1 6-1 and Lorenzo Musetti 6-1, 6-4, 6-2. Sinner is 36-4 in the season, including a near flawless 17-1 record in hard-court matches this year.

Auger-Aliassime reached his second Grand Slam semifinal after grinding out a 4-6 7-6(7) 7-5 7-6(4) win over Alex De Minaur of Australia in the quarterfinals. Auger-Aliassime, 21-8 on the hard court this year, has toppled Billy Harris 6-4 7-6(8) 6-4, Roman Safiullin 6-1 7-6(4) 7-6(5), No.3 seed Alexander Zverev 4-6 7-6(7) 6-4 6-4, No.15 seed Andrey Rublev 7-5 6-3 6-4 and No.8 seed De Minaur.