Jessica Pegula is back in the U.S. Open quarterfinals after a fourth-round romp

Jessica Pegula advanced to the U.S. Open quarterfinals after defeating Ann Li 6-1, 6-2 in just 54 minutes.

Jessica Pegula is back in the quarterfinals of a Grand Slam tournament, which used to be her roadblock.

The way Pegula is playing at this U.S. Open, it may be just another stop on the way back to the final.

Pegula rolled into the last eight by routing fellow American Ann Li 6-1, 6-2, in just 54 minutes on Sunday. The No. 4 seed hasn’t dropped a set this year at Flushing Meadows, and only once was kept on court for more than an hour and 15 minutes.

After the match, Pegula said staying sharp through the early rounds is what she aimed for.

“When you come into a Slam, it’s a lot of matches. But I think once you kind of start working your way through, obviously going into the second week and being able to win, to be in the quarters today was, you know, a definitely a confidence booster,” Pegula told NBC News. “But obviously there’s still a long ways to go, so I’m trying to enjoy it a little bit today, and then my focus will be on the next match.”