Elina Svitolina defeated Rebeka Masarova 6–2, 7–5 in the first round of the US Open on hard court. Svitolina, the clear pre-match favourite at 1.1 odds, delivered an expected victory over the substantial underdog Masarova, who entered at 8.13. The Ukrainian secured the opening set decisively before edging a more competitive second set to advance through the opening round. The result maintained Svitolina's progression through the early stages of the Grand Slam.