Gael Monfils defeated Jaume Munar 7–5, 5–7, 7–6 in the first round of the Miami Masters on hard court on 23 March 2025, confirming his status as pre-match favourite with odds of 1.51 to Munar's 2.75. The match proved competitive throughout, with neither player able to establish dominance until the decisive third set, where Monfils prevailed in a tiebreak. The Frenchman's experience and court craft ultimately proved decisive against his Spanish opponent in a contest that remained closely contested across all three sets. The victory advances Monfils deeper into the Miami draw and maintains his momentum in the early stages of the Masters 1000 season.