Sinner: former coach 'already playing with a smile at eight years old' - Last minute. "He exchanged his first balls with the teacher of his town: in the winter he was a ski instructor, in the summer a tennis instructor.
Until he arrived at our tennis school at the age of eight, with his historic teacher from Brunico Heribert Mayr" "I am firmly convinced that a Slam is not won by chance, all the great champions who have won a Slam have made a piece of history"