John Isner (16), United States, def. Lucas Pouille, France, 7-5, 6-3.
Matteo Berrettini (11), Italy, def. Cristian Garin, Chile, 6-3, 6-3.
Stefanos Tsitsipas (6), Greece, def. Felix Auger-Aliassime, Canada, 7-6 (3), 7-6 (3).
Karen Khachanov (7), Russia, def. Taylor Fritz, United States, 6-2, 6-4.
Roberto Bautista-Agut (8), Spain, def. Reilly Opelka, United States, 6-4, 7-5.
Andrey Rublev, Russia, def. John Millman, Australia, 6-2, 6-0.
Alexander Zverev (5), Germany, def. Jeremy Chardy, France, 7-6 (13), 7-6 (3).
David Goffin (13), Belgium, def. Mikhail Kukushkin, Kazakhstan, 6-2, 3-0, ret.
Novak Djokovic (1), Serbia, def. Denis Shapovalov, Canada, 6-3, 6-3.
Dominic Thiem (4), Austria, def. Pablo Carreno Busta, Spain, 7-6 (3), 6-3.
Nicolas Mahut and Edouard Roger-Vasselin (6), France, def. Mao Xin Gong and Ze Zhang, China, 6-4, 6-3.
Lukasz Kubot, Poland, and Marcelo Melo (2), Brazil, def. Borna Coric, Croatia, and Runhao Hua, China, 6-4, 7-5.
Horia Tecau, Romania, and Jean-Julien Rojer (7), Netherlands, def. Joao Sousa, Portugal, and Diego Schwartzman, Argentina, 7-5, 6-3.
Ivan Dodig, Croatia, and Filip Polasek, Slovakia, def. Dusan Lajovic, Serbia, and Cristian Garin, Chile, 6-2, 6-3.
Matteo Berrettini, Italy, and Felix Auger-Aliassime, Canada, def. Nikola Mektic and Franko Skugor, Croatia, 6-7 (4), 7-6 (5), 10-4.
Rajeev Ram, United States, and Joe Salisbury, Britain, def. Marcel Granollers, Spain, and Horacio Zeballos (3), Argentina, 7-6 (6), 6-3.
Robert Farah and Juan Sebastian Cabal (1), Colombia, def. Sam Querrey and John Isner, United States, 6-0, 6-4.
Bruno Soares, Brazil, and Mate Pavic (8), Croatia, def. Benoit Paire, France, and Hubert Hurkacz, Poland, 6-1, 7-5.Wednesday
At Qizhong Forest Sports City Arena
Surface: Hardcourt outdoor
SHANGHAI, CHINA (AP) _ Results Wednesday from Shanghai Rolex Masters at Qizhong Forest Sports City Arena (seedings in parentheses):
Round Of 32
Round Of 32
Round Of 16
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