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Jannik Sinner vs. Felix Auger-Aliassime US Open semifinal odds and best bet: Canadian faces uphill battle as massive underdog on Friday

Sinner has won 25 straight grand slam matches on hard courts. Photos by AP.
Sinner has won 25 straight grand slam matches on hard courts. Photos by AP.

Jannik Sinner and Felix Auger-Aliassime battle for a spot in the U.S. Open final on Friday.

The pre-match narrative: This figures to be a lopsided affair. Sinner, the World No. 1 and reigning champion, has only dropped one set at Flushing Meadows and is -2,500 to advance. Auger-Aliassime has had a resurgent year but was beaten handily the last time he played Sinner.

Check out our Sinner vs. Auger-Aliassime odds and my best bet for the Sept. 5 tennis match.

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Sinner vs. Auger-Aliassime odds

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Best US Open men's tennis pick

Best Bets: Auger-Aliassime over 0.5 breaks (-148)

There isn't much value in betting on this match.

Sinner is -200 to win this match in straight sets, and has a lofty -7.5 game spread, which could admittedly go either way.

The Italian has only been broken three times at Flushing Meadows, all at the hands of Auger-Aliassime's fellow Canadian, Denis Shapovalov.

Sinner still won that match 5-7, 6-4, 6-3, 6-3, and has since demolished Alexander Bublik and Lorenzo Musetti, dropping a total of 10 games across six sets.

I can't picture a world where Auger-Aliassime gives Sinner trouble. But a single break? That's attainable.

The Montreal native has knocked off two top-10 players in this event, Alex de Minaur and Alexander Zverev, generating 15 break opportunities in those matches.

He also breezed past 15-seed Andrey Rublev, converting 4-of-7 breaks in that match.

Auger-Aliassime is 2-1 against Sinner in his career, but was most recently dismantled, 6-0, 6-2, by the Italian in Cincinnati. But even then, the Canadian cashed this wager.

Key stat: Auger-Aliassime has converted 8-of-16 career break points against Sinner.

Sinner vs. Auger-Aliassime best bet made at 2:30 p.m. on 09/04/2025.

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