The 19-year-old suffered a 6-3, 6-3 defeat on Center Court as she struggled to find the form that saw her win the US Open last year. “Nerves play a part here, but he’s 19 years old,” McEnroe, who has been a vocal critic of Raducanu in the past, told the BBC. “He should, you know, be able to deal with it very quickly. “I suspect and hope that some big things will happen in the future, but you have to start believing, you know, buying into the hype. “She has to get into her comfort zone with whoever the world is around her. I don’t know who they are because it keeps changing teams as new coaches come in and out of the situation. This is not good. “But he has to understand and let’s not forget, he won the US Open. An idiot doesn’t win the US Open. She is a great player. You have to see it that way.” READ MORE