Sebastian Korda defeated Carlos Alcaraz 6–3, 5–7, 6–4 in the second round of the Miami Masters on hard court, producing a significant upset against the pre-match favourite. Alcaraz entered as the clear favourite at 1.12 odds, whilst Korda traded at 6.12, making the American's victory a notable result at the ATP Masters 1000 event. Korda took the opening set convincingly before Alcaraz levelled in a competitive second set, but the American reasserted control in the decider to secure the win. The result marks a statement performance from Korda against one of the tour's elite players and suggests improved form heading into the latter stages of the tournament.