He’s just the sixth man this century to have more than 70 wins and fewer than 10 losses in a single season.

Last year, she made the biggest jump into the Top 50 on either tour. This year, her momentum didn't stop.

Meanwhile, the other year-end No. 1, Aryna Sabalenka, won the most titles on the women’s tour this year with four.

While the Kazakh led the women this year, a pair of Americans served up a 1-2 on the men’s leaderboard.

From achieving the highest career winning percentage in ATP Finals history to becoming the only man with as many titles as losses this year, it was a dream finish.

Among them: 237 straight weeks at No. 1, the longest streak at the top spot in ATP rankings history.

The Italian improved to 6-10 in their series after triumphing at the Nitto ATP Finals to cap his 2025 season.

Which player will leave 2025 with three of the five biggest titles of the year, and which one will leave with two?

He continued his global domination of the sport on Saturday, defeating Lorenzo Musetti to capture the title in Athens, Greece.

Will someone finish 2025 with two of the five biggest titles, or will we have different winners at the five biggest events?

From improving to 3-0 in Grand Slam finals with No. 1 on the line to surpassing 10,000—and 11,000—ranking points for the first time, the 22-year-old just kept piling on the numbers in New York.