Argentine Diego Schwartzman pushed Novak Djokovic to five sets at the French Open yesterday so the question obviously arose: what racquet does he use? Schwartzman is endorsing a HEAD Graphene XT Radical Pro but what is actually underneath the paint is an older HEAD Radical racquet, most likely the HEAD IG Radical Pro pro stock with the code of 260.4 (the last number depending on stiffness, string pattern – in short a …
