NEW YORK (AP) — Jessica Pegula broke through her quarterfinal wall again at the U.S. Open , defeating Barbora Krejcikova 6-3, 6-3 on Tuesday to get to the semifinals at a Grand Slam tournament for just the second time in her career.

Pegula failed to advance into the semis in her first 23 main draw appearances at a major before reaching the final at Flushing Meadows a year ago, when she lost to Aryna Sabalenka , and has since been eliminated in the fourth round at the Australian Open, the third round at the French Open and the first round at Wimbledon.

Being back on hard courts at the U.S. Open has been a recipe for success. She has not yet lost a set.

“I think I’ve been playing some really good tennis,” Pegula said. “I’ve just been playing very solid. I’ve been having very good qu

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