Laura Robson has warning over what could happen if Carlos Alcaraz and Jannik Sinner keep dominating tennis

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Carlos Alcaraz and Jannik Sinner have been head and shoulders above everyone else on the ATP Tour this season.

With a combined 13 titles in 2025, the Spaniard and the Italian have continued to dominate men’s tennis.

At Grand Slams, the two have split all four majors between them for the second consecutive season, with Alcaraz winning Roland Garros and the US Open, while Sinner took the Australian Open and Wimbledon.

In the rankings, both players have points tallies north of 10,000 and are clear of third-placed Alexander Zverev by at least 5000 points.

While the rivalry between Alcaraz and Sinner has already become iconic, former British tennis player Laura Robson explained that tennis would benefit from more competition at the top of the tour.

Laura Robson predicts the future of Carlos Alcaraz’s rivalry with Jannik Sinner

Speaking to Sky Sports, Robson said: “I think everyone was a little worried for a while that anything was ever going to live up to the big three, or big four if you include Andy [Murray].

“Then all of a sudden you’ve got two players who have just transcended the sport, and are very different on the court, very different off the court, and have two contrasting personalities that just bring out the best in each other when they’re out there.

“So, yeah, we’re very lucky. We do hope that someone gets closer and makes it a little bit more competitive because a two-horse race will get a little stale at some point.

“It isn’t yet. Definitely not yet. We still see great matches, but I think our expectations are very high.”

Players to beat Carlos Alcaraz and Jannik Sinner this season

A number of stars have managed to earn wins over Alcaraz and Sinner over the course of the 2025 ATP season.

Alcaraz has suffered eight defeats this year, the first of which came at the hands of Novak Djokovic in the quarterfinals of the Australian Open.

He then lost to Jiri Lehecka at the Qatar Open and fell to David Goffin in his opening clash at the Miami Open, as well as Jack Draper at Indian Wells

In the championship match of the Barcelona Open, Alcaraz lost his first final of the season to Holger Rune, before coming up short in the Wimbledon title bout against Sinner.

Aside from his loss to Taylor Fritz at the Laver Cup, his only other defeat was to Cameron Norrie at the Paris Masters.

Sinner, on the other hand, lost six matches this year, four of which were handed to him by Alcaraz.

The other two came against Alexander Bublik at the Halle Open, and Tallon Griekspoor at the Paris Masters, during which he retired due to injury.