Magda Linette defeated Robin Montgomery 6–4, 6–3 in the first round of the Madrid Masters 1000 on clay on 21 April 2026. As the pre-match favourite with odds of 1.59, Linette secured a straightforward victory against Montgomery, who entered at 2.3. The Polish player controlled proceedings across both sets, breaking Montgomery's serve at crucial moments to establish dominance on the Madrid clay courts. Linette's composed performance underlined her status as a seeded player at the event and sets up a second-round encounter against a qualifier or lower-ranked opponent.