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Ion Tiriac has sent a warning to Novak Djokovic and Rafael Nadal that tennis' next generation are coming for them and has tipped two younger players to challenge their supremacy. Despite playing well into their thirties, Djokovic, Nadal and Roger Federer have continued to dominate the Grand Slams but Tiriac has backed two up-and-coming talents including Spaniard Carlos Alcaraz.

"A future No 1," was how Tiriac described Alcaraz to Eurosport Spain. "And I hope he is also a great character because tennis is going to need a great character in the place of these three who are leaving.

"There are people like Alcaraz. Like [Holger] Rune, who can be a great player but has a few problems, his mother, this and that, but he hits the ball very well. The new generation is coming for sure."

During Rune's French Open