Blockx, the latest 'teenager' to reach his first Masters 1000 semifinals

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The good performance of Alexander Blockx in the 2026 Mutua Madrid Open has allowed him to enter the list of young players who have managed to reach the semi-finals of a Masters 1000 at least once. The Belgian is the latest tennis player born after 2003 to achieve this milestone after Carlos Alcaraz (13), Holger Rune (6), Arthur Fils (2), and Jakub Mensik (1).

Players born in 2003 or later to reach ATP Masters 1000 semifinals:

Carlos Alcaraz, 13
Holger Rune, 6
Arthur Fils, 2
Jukub Mensik, 1
Alexander Blockx, 1 pic.twitter.com/BbYTFmqCPc

— José Morgado (@josemorgado) April 30, 2026

This news is an automatic translation. You can read the original news, Blockx, el último "adolescente" que alcanza sus primeras semifinales de Masters 1000