HIGHLIGHTS-Tennis-U.S. Open day eight

"I'm pretty glad I used my experience." 1815 PEGULA OUSTS KVITOVA TO MOVE INTO QUARTER-FINALS Jessica Pegula became the second American after Coco Gauff to move into the quarter-finals after the eighth seed beat Czech Republic's Petra Kvitova 6-3 6-2. 1745 RUBLEV DISPATCHES NORRIE IN STRAIGHT SETS Russian Andrey Rublev downed British seventh seed Cameron Norrie 6-4 6-4 6-4 to move into the quarter-finals of a Grand Slam for the sixth time in his career. The ninth-seeded Russian, who has never reached the semis at a major, will face either Rafa Nadal or Frances Tiafoe.

Highlights of the eighth day at the U.S. Open, the last Grand Slam tournament of the year, at Flushing Meadows on Monday (times in GMT): 2352 PLISKOVA OVERCOMES AZARENKA

Karolina Pliskova beat three-times runner-up Victoria Azarenka 7-5 6-7(5) 6-2 in a three-hour match between two former world number ones. "On hard courts her game is super dangerous," Pliskova said. "It's not easy but super happy."

READ MORE: Terrific Tiafoe knocks out Nadal in major U.S. Open upset

Nadal his own toughest critic after shock loss in U.S. Open fourth round Rublev downs Briton Norrie to reach U.S. Open quarter-finals

Swiatek survives surprise test from Niemeier to reach U.S. Open quarters Pegula shines through rain to reach U.S. Open quarter-final

Rublev downs Briton Norrie to reach U.S. Open quarter-finals Kyrgios stuns No. 1 Medvedev to reach U.S. Open quarters

No shame for Medvedev after exiting U.S. Open to in-form Kyrgios Knocked off No. 1 ranking, Medvedev rues 2022 major show

Kyrgios says new mentality has fuelled on-court success Kyrgios happy to 'look like an idiot' after bizarre play

Tomljanovic adds to Aussie joy with first quarters in New York Jabeur reaches first U.S. Open quarters with win over Kudermetova

Gauff races into U.S. Open quarters with win over Zhang 'Go for it': Gutsy Garcia relishing career renaissance at U.S. Open

Berrettini rallies to reach second straight U.S. Open quarter-final Serena in the broadcast booth? The ball is in her court

U.S. Open order of play on Monday U.S. Open order of play on Tuesday

2207 TIAFOE BEATS NADAL TO MOVE INTO QUARTERS Frances Tiafoe claimed the biggest win of his career when he upset second seed Rafa Nadal 6-4 4-6 6-4 6-3.

Tiafoe, the last American left in the men's draw, will next face Russian Andrey Rublev. 2028 SWIATEK SURVIVES NIEMEIER TEST

Top seed Iga Swiatek dropped a set for the first time in the tournament against Jule Niemeier but fought back to win 2-6 6-4 6-0 to book a spot in the quarter-finals where she will play American eighth seed Jessica Pegula. "I'm just proud I didn't lose hope," Swiatek said. "I'm pretty glad I used my experience."

1815 PEGULA OUSTS KVITOVA TO MOVE INTO QUARTER-FINALS Jessica Pegula became the second American after Coco Gauff to move into the quarter-finals after the eighth seed beat Czech Republic's Petra Kvitova 6-3 6-2.

1745 RUBLEV DISPATCHES NORRIE IN STRAIGHT SETS Russian Andrey Rublev downed British seventh seed Cameron Norrie 6-4 6-4 6-4 to move into the quarter-finals of a Grand Slam for the sixth time in his career.

The ninth-seeded Russian, who has never reached the semis at a major, will face either Rafa Nadal or Frances Tiafoe. 1512 PLAY UNDERWAY

Play began in New York with the temperature at 26 degrees Celsius (78.8 degrees Fahrenheit). Local hope Jessica Pegula will begin proceedings against Petra Kvitova on Arthur Ashe Stadium later with Rafa Nadal and Carlos Alcaraz also in fourth-round action.

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