Pete Sampras defeated Andrés Gómez in the final, 7–6(7–4), 7–5, 6–2 to win the singles tennis title at the 1990 Ebel U.S. Pro Indoor.[1] It was his maiden singles title.
Boris Becker was the reigning champion, but opted to play at the Eurocard Classic instead.
All seeds receive a bye into the second round.