Sept 5 (Reuters) - Latest news from the eighth day of the U.S. Open tennis championships on Monday (all times GMT):

NEW YORK (Reuters) - Karolina Pliskova ruined any chance of another Flushing Meadows sister showdown as she claimed a dramatic 4-6 6-4 7-6(3) win over sixth-seeded Venus Williams on Monday to reach the U.S. Open quarter-finals.

NEW YORK, Sept 5 (Reuters) - Serena Williams stormed into the quarter-finals of the U.S. Open in record-smashing style on Monday, easing past Kazakhstan's Yaroslava Shvedova 6-2 6-3 to claim grand slam win number 308.

NEW YORK, Sept 5 (Reuters) - Order of play on the main showcourts at the U.S. Open on Tuesday (prefix numbers denote seeding):

Sept 5 (Gracenote) - Results from the U.S. Open Women's Singles Round 4 matches on Monday

NEW YORK, Sept 5 (Reuters) - Double grand slam winner Stan Wawrinka set up a marquee quarter-final showdown with 2009 champion Juan Martin del Potro with a 6-4 6-1 6-7(5) 6-3 victory over Illya Marchenko of Ukraine at Flushing Meadows on Monday.

NEW YORK (Reuters) - Tennis must consider shortening matches in a bid to engage with a younger fanbase and avoid losing television viewers, according to former ATP Player Council president and doubles specialist Eric Butorac.

NEW YORK (Reuters) - Fifth-seeded Simona Halep beat 11th-seeded Spanish rival Carla Suarez Navarro 6-2 7-5 on Monday to reach the quarter-finals of the U.S. Open on Monday.

NEW YORK (Reuters) - Juan Martin del Potro's summer renaissance continued on Monday as the unseeded Argentine advanced into the U.S. Open quarter-finals when Austrian eighth seed Dominic Thiem quit their match with an injury.