Jannik Sinner won the ATP Finals against Taylor Fritz in front of a home crowd. For a man who is still under a doping cloud, Sinner is hitting the cleanest winners.

TURIN, Italy — And so the year ends as it began, with Jannik Sinner’s arms around a big sliver trophy, making a mess of the competition and tennis history for his suddenly tennis-mad country.

Jannik Sinner cemented his status as the best player in men’s tennis by winning a first ATP Finals title in front of his home fans in Turin. The Italian has got better and better as the season has gone on, despite the doping case hanging over his head that could still lead to a suspension.