Sinner stays perfect and Fritz also advances to the semifinals at the ATP Finals

TURIN, Italy (AP) — He’s got a stranglehold on the No. 1 ranking. He’s unbeaten this week and hasn’t dropped a set.

And his home Italian fans can’t get enough of him. Things couldn’t get much better for Jannik Sinner at the ATP Finals so far — despite an ongoing doping case that likely won't be decided until early next year. Javascript is required for you to be able to read premium content.



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