US Open: Jessica Pegula upsets No. 1 Iga Swiatek to reach her first Grand Slam semifinal

The questions wouldn’t stop for Jessica Pegula: Why was she 0-6 in Grand Slam quarterfinals heading into her U.S. Open matchup against No. 1 Iga Swiatek? What could Pegula do to change that?

Came up during her on-court interview after winning in the previous round. And again at the news conference that followed. And again during a brief TV interview right before striding onto the court at Arthur Ashe Stadium on Wednesday night.

If that all weighed on Pegula, the 30-year-old American hid it well, pulling off a big upset by easily beating Swiatek 6-2, 6-4 at Flushing Meadows and earning a debut trip to the semifinals at a major.

“There have been so many freaking times, and I just kept losing,” said Pegula, who has won 14 of her past 15 matches, all on hard courts. “I know everyone keeps asking me about it, but I was like, ‘I don’t know what else to do. I just need to get there again and, like, win the match.’ So thank God I was able to do it. And finally — finally! — I can say, ‘Semifinalist.’”

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Karolina Muchova, of the Czech Republic, returns a shot to Beatriz Haddad Maia, of Brazil, during the quarterfinals of the U.S. Open tennis championships, Wednesday, Sept. 4, 2024, in New York. (AP Photo/Pamela Smith)

She will face unseeded Karolina Muchova of the Czech Republic on Thursday for a berth in the final.