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.

It only made sense that Jannik Sinner's breakout year ended with a celebration in Turin, Italy. The Italian superstar won his first two Grand Slams this year and completed the season by winning the ATP Finals title. He is the first Italian to win the year-end tournament.

Jannik Sinner completed his incredible season with his eighth ATP title in Turin. The home favorite defeated five rivals in straight sets en route to his first ATP Finals trophy, making his incredible season even more extraordinary.