Emma Raducanu has been urged to “commit” to a long-term coach and “take charge” of her own life by tennis legend Martina Navratilova. World No 45 Raducanu has been working with Mark Petchey on an ...

Former world number one Martina Navratilova has asked Britain’s Emma Raducanu to stick with a coach for at least one year if she wants to see improvements in her game. Raducanu has remained in the ...