Pegula stuns world No. 1 Swiatek to enter US Open semifinal

Jessica Pegula secured her first Grand Slam semi-final entry by defeating top-ranked Iga Swiatek in the US last-eight clash with a score of 6-2, 6-4. Pegula will now face Karolina Muchova in the semi-finals. Fellow Americans Emma Navarro, Taylor Fritz, and Frances Tiafoe have also reached the final stages.