HIGHLIGHTS-Tennis-U.S. Open day eight

Champion Carlos Alcaraz beat Italy's Matteo Arnaldi 6-3 6-3 6-4 in the fourth round, while second seed Aryna Sabalenka takes on Daria Kasatkina. In the all-American clash, Madison Keys stunned third seed Jessica Pegula 6-1 6-3.

Highlights of the eight day of the U.S. Open at Flushing Meadows on Monday (times GMT): 2211 ZHENG UPSETS JABEUR IN STRAIGHT SETS

China's 23rd seed Zheng Qinwen pulled off a stunning 6-2 6-4 win over fifth seed and last year's runner-up Ons Jabeur of Tunisia to reach her first Grand Slam quarter-final. READ MORE

Tiafoe, Shelton match a moment to reflect for Black athletes, says Blake U.S. Open Order of play on Tuesday

Alcaraz makes quick work of Italian to make U.S. Open quarter-finals Keys upsets Pegula in all-American clash to reach U.S. Open quarters

Sabalenka looks to march on at U.S. Open with top ranking in the bag Drained Swiatek eyes reset after U.S. Open shock

Swiatek bundled out of U.S. Open, Djokovic marches on Ostapenko dumps defending champion Swiatek out of U.S. Open

With 'nothing to lose', Fritz guns for Djokovic upset Djokovic enjoys drama-free win to reach quarters

Wozniacki says she is 'on the right track' despite U.S. Open exit Gauff into U.S. Open quarter-finals after ending Wozniacki's run

Cirstea beats Bencic to reach first Grand Slam quarters in 14 years Shelton first through to quarters as action heats up

2028 RUBLEV PREVAILS Russian eighth seed Andrey Rublev overcame a wobble in the second set to beat Briton Jack Draper 6-3 3-6 6-3 6-4 and reach the U.S. Open quarter-finals for the fourth time.

1935 ALCARAZ SAILS INTO QUARTERS Defending champion Carlos Alcaraz booked his place in the quarter-finals by earning a comfortable 6-3 6-3 6-4 win over unseeded Italian Matteo Arnaldi.

"I played a really solid match, less mistakes, played my game. I'm happy with my performance," said the 20-year-old Spaniard. 1720 VONDROUSOVA TRIUMPHS OVER STEARNS

Wimbledon champion Marketa Vondrousova continued her impressive run at the U.S. Open, with the Czech ninth-seed beating American Peyton Stearns (3)6-7 6-3 6-2. 1715 KEYS EASES PAST PEGULA

American 17th-seeded Madison Keys had little problem beating her compatriot, the third seed Jessica Pegula 6-1 6-3 in just over an hour. 1510 PLAY UNDER WAY

Play began under mostly cloudy skies on Labour Day, with the temperature at around 29 degrees Celsius (84 degrees Fahrenheit). Champion Carlos Alcaraz beat Italy's Matteo Arnaldi 6-3 6-3 6-4 in the fourth round, while second seed Aryna Sabalenka takes on Daria Kasatkina.

In the all-American clash, Madison Keys stunned third seed Jessica Pegula 6-1 6-3.