Mariano Blockx defeated 12th-seeded Casper Ruud 6-4, 6-4 in a Madrid Open quarterfinal match, according to r/tennis. The Argentine player's straight-set victory sends him to the tournament's semifinals.
Ruud, seeded 12th, was unable to mount a sustained challenge against Blockx on the blue clay surface. The decisive scoreline marks a significant upset in the quarterfinal round of the ATP Masters 1000 event.
Blockx will advance to face the winner of the other semifinal bracket at the Madrid Open.
Sources
- r/tennis: Madrid QF: Blockx def. [12] Ruud 6-4, 6-4. Posted April 30, 2026.
Reported from public sources.