Emma Raducanu’s former coach, Mark Petchey, has admitted the tennis star is ‘stubborn’ but has backed her to bounce back following her recent nightmare at the US Open. The 21-year-old had gone into the final major of the year hoping to summon the same magic that saw her win the competition three years ago. However, Raducanu struggled and was sent crashing out by Sofia Kenin in the first round. She has been widely criticised by pundits in the time since, especially given how she played just one hard-court tournament beforehand. Petchey knows all about Raducanu, having previously coached the ten…
