Jannik Sinner makes surprising statement that Carlos Alcaraz won't want to hear

made a surprising claim after lifting his eighth title of the season at the ATP Finals.

The world No. 1 has been on top form all week. He became the first man to lift the trophy without dropping a set since 1986.

But Sinner believes he still has a lot to improve about his game. It's something Carlos Alcaraz and his other rivals won't want to hear as the Italian is already way ahead of the pack.

Sinner had already secured the year-end No. 1 ranking before arriving in Turin for the last tournament of the ATP season. And he extended the gap between himself and the rest of the field by winning the title.

Come Monday, the Italian will have 11,830 ranking points while world No. 2 Alexander Zverev will have 7,915 and third-ranked Alcaraz will be on 7,010. Sinner has set himself apart this year, winning 70 matches and losing just six times.

He's reached at least the quarter-final of every single tournament he's played in 2024. And Sinner looks set to get even better as he claimed there was still a way go to before he fulfilled his potential.

Asked whether there was anything to work on during the off-season given how dominant he'd been, the two-time Major winner made a surprising statement. "I actually believe there is still gap of improvement," he said.

"I mean, today I served very, very good at times, which was not the case throughout the whole tournament.

"There are still certain shots and points what I can make sometimes better, but are small details. The higher you play level-wise, the more details make the difference."

If Sinner has already reached the top of the game without fine-tuning everything, he will prove almost unbeatable once he develops his skills even further. The Italian has won more than half the tournaments he's entered this season, leaving barely anything for his rivals.

And he wants to take the same approach into next year. Reflecting on his results over the last 12 months, he added: "I mean, my goal was to understand what I can achieve this year.

"There was no specific goal of winning a Grand Slam or being No. 1 or whatever.

"It's going to be the same next year: whatever we can catch, we take, and the rest we learn. I think that was the mentality we approached this whole year, trying to raise my level in specific moments, which I've done throughout this year."