Stéfanos Tsitsipás defeated Pablo Carreno Busta 6–4, 4–6, 6–3 in a United Cup round-robin match on hard court on 28 December 2024. Tsitsipás recovered from dropping the second set to dominate the decider, securing the third set 6–3 to advance his tournament campaign. Carreno Busta competed competitively throughout, forcing a deciding set after levelling the match, but ultimately could not sustain the momentum required against his opponent's superior consistency in the closing stages. The result bolsters Tsitsipás's standing in the group phase and represents a solid early-season performance on hard court.