Mouratoglou believes the NextGen need to defeat the Big Three to win a Major

Although many tennis critics believe that the NextGen are taking over, Patrick Mouratoglou believes that this won't be the case until they defeat a member of the Big Three; Roger Federer, Rafael Nadal, Novak Djokovic, to win a Grand Slam.

“The Next Generation has not taken over yet, despite a lot of comments saying that they have. Every time I am interviewed, I say ‘no’,” Mouratoglou said in an interview with Sky Sports. "Rafa and Novak are still at the top of the game. Very clearly, Novak is less interested in every tournament that is not a Grand Slam and his results show, but when he comes to the Grand Slams he is always there and it’s the same with Rafa.

“For the moment, we can’t say that the Next Gen are taking over. They’re getting closer and closer, that’s for sure. I think that Novak feels that the guys are getting closer and closer and it’s probably stressful for him, but they’re at the top of their game. For how long? I don’t know."

However, the Frenchman was quick to add that the margin was getting smaller, admitting it was only a matter of time before someone from the new generation achieved this feat.

“Is the margin as big as before? Definitely not," admitted Mouratoglou. "The margin is getting smaller and smaller, but I want to see a new generation guy win a Grand Slam, defeating them (the Big Three), which still hasn’t happened yet.”

Although Dominic Thiem became the first player born in the 1990s to win a Grand Slam when he triumphed at the US Open, Federer and Nadal were both absent and he did not face Djokovic.