Andy Murray defeated Matteo Berrettini 4–6, 6–3, 6–4 in the first round of the Miami Masters on hard court on 20 March 2024, overturning pre-match odds that favoured the Italian. Berrettini controlled the opening set, breaking serve and claiming it 6–4, but Murray regrouped decisively in the second, taking it 6–3 to level the match. The Briton maintained his momentum in the decider, securing the third set 6–4 to advance. The result marked an upset victory for Murray against a player ranked higher in the betting markets, suggesting improved form or tactical adjustment as he progressed through the early rounds of the tournament.