Diego Schwartzman, Argentina, def. Jared Donaldson, United States, 0-6, 7-5, 7-5.

Roberto Bautista Agut (12), Spain, def. Gael Monfils, France, 4-6, 7-6 (5), 7-6 (2).

Robin Haase, Netherlands, def. Grigor Dimitrov (7), Bulgaria, 7-6 (3), 4-6, 6-1.

Roger Federer (2), Switzerland, def. David Ferrer, Spain, 4-6, 6-4, 6-2.

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Kevin Anderson, South Africa, def. Sam Querrey, United States, 6-4, 6-1.

Alexander Zverev (4), Germany, def. Nick Kyrgios (16), Australia, 6-4, 6-3.

Fabrice Martin and Edouard Roger-Vasselin, France, def. Lukasz Kubot, Poland, and Marcelo Melo (2), Brazil, 6-4, 6-2.

Gael Monfils and Benoit Paire, France, def. Jamie Murray, Britain, and Bruno Soares (3), Brazil, 7-6 (4), 6-7 (5), 10-5.

Pierre-Hugues Herbert and Nicolas Mahut (5), France, def. Lucas Pouille and Jo-Wilfried Tsonga, France, 6-1, 6-7 (5), 10-3.