Jessica Pegula upsets No. 1 Iga Swiatek at the U.S. Open to reach her first Grand Slam semifinal
Jessica Pegula upsets No. 1 Iga Swiatek at the U.S. Open to reach her first Grand Slam semifinal
NEW YORK -- Jessica Pegula upsets No. 1 Iga Swiatek at the U.S. Open to reach her first Grand Slam semifinal.