OK, sure, maybe it wouldn't be rational to say there's no point in actually holding the full U.S. Open and instead just fast-forwarding to the inevitable matchup for the men's championship between Jannik Sinner — assuming he's healthy — and Carlos Alcaraz on Sept.

ATP No. 1 Jannik Sinner retired just 23 minutes into the Cincinnati Open men's singles final, allowing Carlos Alcaraz to win the Rookwood Cup.

The latest chapter of the Jannik Sinner-Carlos Alcaraz rivalry took a stunning turn on Monday when world No. 1 Sinner retired in the first set of the Cincinnati Open final due to an unspecified health issue.