Caroline Wozniacki defeated Petra Kvitova 7–5, 7–6 in the first round of the US Open on hard court, pulling off an upset against the pre-match favourite. Kvitova entered as the clear odds-on favourite at 1.32, whilst Wozniacki was priced at 3.65, yet the Danish veteran produced a composed performance to advance through two closely contested sets. The match remained competitive throughout, with both players fighting hard in the second set, which went to a tiebreak before Wozniacki secured it. This victory marks a significant result for Wozniacki on the Grand Slam stage, demonstrating her continued ability to compete against top-ranked opponents despite her reduced schedule in recent years.