McEnroe has insisted that these doubters know little or no about tennis, as he hailed Gauff and her progress having been enjoying professionally for a number of years regardless of nonetheless being a young person - earlier than evaluating her to US Open males’s finalist Daniil Medvedev.

"I'm questioning whether people said it, or if it was a couple of people in a basement somewhere,” McEnroe added. “You know – there was a tweet somewhere and someone said it? Anyone who knows anything about tennis has seen the progress she has made, and she is 19 years old, for goodness sake. I mean, come on!

"Yes, maybe the forehand with the massive loop, however does not Medvedev have a fairly large loop on his forehand? He is doing okay! So, there are gamers who adapt and do what they should do to get the job finished – and that is what she did."