Iga Swiatek and Daniil Medvedev advanced to the quarterfinals of the U.S. Open with decisive victories. Swiatek defeated Liudmila Samsonova 6-4, 6-1, while Medvedev overpowered Nuno Borges 6-0, 6-1, 6-3. Both champions expressed confidence in their performance as they prepare for challenging matches ahead.