Jessica Pegula secured a convincing US Open victory after overcoming initial nerves. She advanced to the next round following a 6-3, 6-2 win against Elena-Gabriela Ruse. Pegula's strong performance followed her recent Cincinnati Open final appearance. Other seeded players like Jasmine Paolini also progressed after tough matches. Attention also shifts to men's stars Daniil Medvedev and Novak Djokovic.