Carlos Alcaraz marched into the quarter-finals of the US Open on Sunday as women's fourth seed Jessica Pegula shrugged off her recent run of poor form to advance to the last eight.

Spanish second seed Alcaraz, the 2022 champion, stayed on course for a semi-final showdown against Novak Djokovic after overpowering France's Arthur Rinderknech in straight sets.

The 22-year-old five-time Grand Slam champion was made to work hard in a hard-fought first set but eventually pulled away to win 7-6 (7/3), 6-3, 6-4 on the Arthur Ashe Stadium court.

"I think my style of tennis suits pretty well the energy here in New York," said Alcaraz, who has yet to drop a set at the tournament.

"The energy is special playing the day session, playing the night session. It doesn't matter, people are always there.

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