HIGHLIGHTS-Day eight at the U.S. Open

Open tennis championships on Monday (all times GMT):

1835 PLISKOVA MAKES IT ONE-SET ALL

Women's 10th seed Karolina Pliskova of Czech Republic won a tight second set 6-4 against sixth-seeded American Venus Williams to push the contest into a deciding third set. Williams won the first set 6-4.

1830 WAWRINKA RACES INTO TWO-SET LEAD

Men's third seed Stanislas Wawrinka swept through the second set 6-1 against Ukraine's Illya Marchenko, the Swiss having won the first 6-4.

1715 DOMINIC GIVES UPDATE ON HIS INJURY

"It was the knee. So, yeah, I had some problems with blisters, and maybe because of the compensation the knee started to hurt," eighth-seeded Austrian Dominic Thiem said after retiring hurt against Juan Martin del Potro.

"But anyway, I'm going to do an MRI now in the next couple hours, and then I will have more information about it."

READ MORE

Halep tops rival Suarez Navarro to reach US Open quarters

Del Potro into U.S. Open quarters after Thiem retires

Williams sisters on collision course at U.S. Open

Djokovic shakes rust with romp into quarters

Kerber reaches US Open quarters, closes in on No.1 slot

Countdown on as Pouille's career set to skyrocket

Nadal vows to keep working, resets goals after Open loss

Pouille tops French charge at U.S. Open

Keys locked out of U.S. Open quarters by Wozniacki

Little-known Sevastova back in the big time after retirement

1651 HALEP ADVANCES TO QUARTER-FINALS

Women's fifth seed Simona Halep moved into the quarter-finals of the U.S. Open after dispatching 11th seed Carla Suarez Navarro of Spain 6-2 7-5.

1635 INJURY FORCES THIEM TO RETIRE

Wildcard Juan Martin del Potro moved into the quarter-finals of the U.S. Open after men's eighth seed Dominic Thiem was forced to retire due to an apparent knee injury.

The 2009 U.S. open champion was leading 6-3 3-2 when the Austrian retired.

1500 PLAY GETS UNDERWAY ON MAIN SHOWCOURTS

Play gets underway on the main showcourts on a partly cloudy day in Flushing Meadows.

ORDER OF PLAY

ARTHUR ASHE STADIUM (Play starts at 1500 GMT/11 AM ET)

8-Dominic Thiem (Austria) v Juan Martin del Potro (Argentina)

Not before 1630 GMT/12:30 PM ET

10-Karolina Pliskova (Czech Republic) v 6-Venus Williams (U.S.)

1-Serena Williams (U.S.) v Yaroslava Shvedova (Kazakhstan)

Not before 2300 GMT/7 PM ET

22-Grigor Dimitrov (Bulgaria) v 2-Andy Murray (Britain)

4-Agnieszka Radwanska (Poland) v Ana Konjuh (Croatia)

--

LOUIS ARMSTRONG STADIUM (Play starts at 1500 GMT/11 AM ET)

11-Carla Suarez Navarro (Spain) v 5-Simona Halep (Romania)

Illya Marchenko (Ukraine) v 3-Stan Wawrinka (Switzerland)

Not before 1900 GMT/3 PM ET

6-Kei Nishikori (Japan) v 21-Ivo Karlovic (Croatia)