Ilya Ivashka, Emil Ruusuvuori and Mikael Ymer all took down seeded opponents – including No. He'll face 15th-seeded Carlos Alcaraz, who became the only seeded player to win Thursday by beating Marcos Giron 7-6, 6-2 in the day's final match. 63 in the world, twice converted break-point opportunities while holding serve throughout the match against Carreno Busta, a US Open …