Despite the similarities in play style, Spaniard Carlos Alcaraz still trails compatriot Rafael Nadal when it comes to mental fortitude, according to retired Italian tennis star Paolo Bertolucci.
Stan Wawrinka was undoubtedly one of the most talented players of his generation, although he lived most of his career in the shadow of legends such as Roger Federer, Rafael Nadal and Novak Djokovic.