Rafael Jódar defeated Nicolai Budkov Kjær in the final, 2–6, 6–2, 7–6(10–1), to win the boys' singles title at the 2024 US Open.[1] Jódar was the third Spanish player in four years to win the boys' singles title, after Daniel Rincón in 2021 and Martín Landaluce in 2022.
João Fonseca was the reigning champion,[2] but chose to compete only in the Men's singles qualifying event, where he lost to Eliot Spizzirri in the qualifying competition.
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