¿Jugará Casper Ruud al menos un partido en el cuadro principal del individual masculino del US Open?

Por qué: The supplied, independent sources establish that Casper Ruud was listed in the 2026 US Open men’s singles draw (seeded/no.19 on the Aug. 27 draw) but officially withdrew from the men’s singles event on Aug. 30, 2026 and was replaced in the main draw by lucky loser Arthur Gea. The ATP Tour, the US Open’s own news page, AP/Yahoo, ESPN and other outlets in the evidence explicitly report the withdrawal and the replacement, which indicates he did not start any men’s singles main-draw match. (He did play mixed doubles earlier, but that does not satisfy the men’s singles-match requirement.) Because the question requires both being listed and starting at least one men’s singles main-draw match, and the evidence shows he withdrew before playing a singles main-draw match, the correct settlement is NO.