The men’s semifinal lineup at the 2025 US Open features World No. 1 and defending champion Jannik Sinner against resurgent Canadian Felix Auger-Aliassime. As always, our writers share their thoughts and predictions ahead of the matchup.

Jannik Sinner vs Felix Auger-Aliassime

Jordan:

Auger-Aliassime is playing his best tennis in years, but he will need to find yet another level against the World No. 1. The Canadian’s serve is the one area where he holds a slight edge, and it must be flawless for him to have any chance. Unfortunately, I do not think anyone outside of Carlos Alcaraz can push Sinner on a hard court right now. The Italian should move through comfortably.

Prediction: Sinner in 3

Zain:

Is it a hard court Slam semifinal? Then the question is simply: who is Jannik Sinner

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