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Tennis-US Open day nine

By Thomson Reuters Sep 7, 2026 | 10:22 AM

NEW YORK, Sept 7 (Reuters) – Highlights of the ninth day at the U.S. Open on Sunday (times GMT):

1740 ANDREEVA ADVANCES, SWIATEK ​OUT

Wimbledon champion Mirra Andreeva defeated Anastasia ‌Potapova 5-7 6-4 6-3 to reach the U.S. Open quarter-finals for the first time.

China’s Zheng Qinwen came back from 5-0 down in the first ‌set ​to upset six-times Grand ⁠Slam winner Iga Swiatek 7-5 ⁠6-3.

1510 PLAY BEGINS

World number five Mirra Andreeva began her fourth-round match against Austria’s Anastasia Potapova.

U.S. OPEN ORDER OF PLAY ON ​MONDAY (prefix number denotes seeding):

ARTHUR ASHE STADIUM (1530 GMT/1130 ET)

8-Iga Swiatek (Poland) v Zheng Qinwen (China)

24-Francisco Cerundolo (Argentina) ⁠v 28-Alexander Blockx (Belgium)

14-Iva Jovic (U.S.) ⁠v 4-Coco Gauff (U.S.)

1-Alexander Zverev (Germany) v ​21-Luciano Darderi (Italy)

LOUIS ARMSTRONG STADIUM (1500 GMT/1100 ET)

5-Mirra Andreeva (Russia) v ​24-Anastasia Potapova (Austria)

13-Naomi Osaka (Japan) v 2-Elena Rybakina (Kazakhstan)

Karen Khachanov (Russia) ‌v 14-Learner Tien (U.S.)

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(Reporting by Rohith Nair in Bengaluru and Nicole Fernandes ​in Toronto;)