Carlos Alcaraz signed the first great milestone of his tennis career in the third round of the US Open. The Murcian, at 18, beat a top-3 like Stefanos Tsitsipas for the first time in a Grand Slam, which helped him get the first ticket of his career for the knockout stages of a major. And not only that, but the young Spaniard, ward of Juan Carlos Ferrero, won the affection of the bleachers at Flushing Meadows and the accolades from different personalities from the world of tennis and sport. Below we review the most prominent reactions, among which is the statement of the former Russian tennis player Kafelnikov: “It will be number 1 in three years maximum.”