Lorenzo Musetti defeated Gabriel Diallo 6–4, 6–3 in the Madrid Masters quarter-final on clay, confirming his status as the heavy pre-match favourite at odds of 1.22. Diallo, positioned as a significant underdog at 4.91, was unable to mount a sustained challenge against the Italian, who controlled proceedings with clinical efficiency across both sets. The decisive margins in each set underlined Musetti's dominance on the Madrid clay, where he has historically thrived. The victory advances Musetti into the semi-finals and reinforces his credentials as a genuine contender in this Masters 1000 event.