pegula

NEW YORK — Jessica Pegula is back in the quarterfinals at the U.S. Open after a 6-4, 6-2 victory over Diana Shnaider on Monday, her seventh trip to that round at a Grand Slam tournament. Now comes the hard part: Pegula is 0-6 in major quarterfinals over her career.

The No. 6-seeded Pegula, an American whose parents own the NFL’s Buffalo Bills and NHL’s Buffalo Sabres, is on quite a run at the moment, having won 13 of her past 14 matches, all on hard courts. That included her second consecutive...