Rafael Nadal has said he will not push to play in singles at his farewell Davis Cup appearance next month unless he is "100% sure" he is ready to win his match.

It’s the end of an era for tennis fans world-wide with Spanish great Rafael Nadal announcing his upcoming retirement from the sport. The 38-year-old from Majorca whose 14 French Open crowns earned him the nickname of “the King of Clay” announced November’s Davis Cup will be his final professional tournament.