MADRID: Rafael Nadal’s uncle and lifelong coach Toni Nadal believes Roger Federer and not his 14-time Grand Slam champion nephew deserves to be considered the greatest tennis player of all time. Federer holds the record for Grand Slam titles with 17 and added his first ever Davis Cup title to his list of achievements last weekend. “I think he is (the best of all-time), the numbers say so,” Toni Nadal told Spanish radio station Cadena COPE. However, Nadal has consistently had the upper hand on the world number two throughout their illustrious careers. The Spaniard holds a 23-10 lifetime record over Federer and hasn’t lost to him in a Grand Slam since the Wimbledon final of 2007.