“I can’t tell you with any honesty I know she’ll be a world-beater,” he said.
“I see the potential, and all sorts of positives, and I hope she continues to soar. But go easy, and let her breathe. Let her find her way.
“Raducanu’s next tournament, and next Slam, will be telling. We’ll see how she copes with fame, and having done something nobody has ever done before, and expectations she’ll keep doing it.”
The retired coach named 2017 French Open champion Jelena Ostapenko, Bianca Andreescu, who won the US Open in 2019, and 2020 French Open winner Iga Swiatek as examples of those who impressed in one tournament but have struggled to recreate the same form since.