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Patrick Mouratoglou chooses who has the better serve between Jannik Sinner and Carlos Alcaraz

Originally posted on HITC | By Matthew Johns | Last updated Oct 9, 2025 8:04 AM ET

Patrick Mouratoglou has weighed in on the serving abilities of Jannik Sinner and Carlos Alcaraz.

The pair have split the last eight Grand Slam titles, leading to constant comparisons between their games. They’ve also met in the past three major finals, with Alcaraz winning the most recent one at the US Open.

Mouratoglou, who has worked with big servers like Naomi Osaka and Serena Williams, shared his thoughts on who holds the edge between Sinner and Alcaraz.

Patrick Mouratoglou explains why he thinks Carlos Alcaraz has a better serve than Jannik Sinner

Sinner was criticised for a key serving mistake in that US Open final against Alcaraz, which some believe played a role in his defeat.

While Mouratoglou didn’t reference that specific match, he did share his view that Alcaraz holds the edge when it comes to serving ability.

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Speaking on Instagram, the Frenchman praised the reliability of Alcaraz’s serve and broke down the technical differences between the two players.

“Both of their serves are good,” said Mouratoglou. “I would say that Carlos’ serve is a bit better, even though Jannik’s serve is good. Carlos is way shorter than Jannik and is more consistent with the serve.

“I would say that one reason for that, is that if you look at him while they’re both hitting the ball, the upper body of Jannik is going a little bit down, while Carlos’ stays completely straight and just the arm and only the arm passes, which gives him more stability during the shot and as a consequence, more consistency.”

Breaking down the serve: Carlos Alcaraz vs. Jannik Sinner in 2025

Mouratoglou may see Alcaraz as the stronger server, but the numbers from ATPTour.com actually favour Sinner across most categories.

Sinner leads in five out of six major serving metrics, with Alcaraz holding an advantage only in first serve percentage.

Serving stats in 2025	Carlos Alcaraz	Jannik Sinner
Average Aces per match	5.9 (2nd)	6.7 (1st)
Average Double Faults per match	2.7 (2nd)	1.4 (1st)
First Serve %	64.1% (1st)	60.9% (2nd)
First Serve % Won	74.4% (2nd)	78.8% (1st)
Second Serve % Won	56.8% (2nd)	59.4% (1st)
Service Games Won %	87.5% (2nd)	92% (1st)
Serve Rating	286 (2nd)	296.4 (1st)