Tuesday
At William H.G. FitzGerald Tennis Center
Washington
Purse: ATP, $1.89 million (WT500); WTA, $226,750 (Intl.)
Surface: Hard-Outdoor
Singles
Men
First Round

Jared Donaldson, United States, def. Jordan Thompson, Australia, 6-4, 7-6 (4).

Daniil Medvedev, Russia, def. Yosuke Watanuki, Japan, 3-6, 7-5, 6-1.

Denis Kudla, United States, def. Lukas Lacko, Slovakia, 6-7 (3), 6-1, 6-4.

James Duckworth, Australia, def. Thai-Son Kwiatkowski, United States, 6-3, 7-5.

Marcos Baghdatis, Cyprus, def. Benoit Paire, France, 6-3, 3-6, 6-2.

Alex de Minaur, Australia, def. Vasek Pospisil, Canada, 6-7 (6), 6-2, 6-3.

Pierre-Hugues Herbert, France, def. Mitchell Krueger, United States, 7-5, 6-3.

Victor Millot, France, def. Yuichi Sugita, Japan, 6-3, 6-2.

Donald Young, United States, def. Stan Wawrinka, Switzerland, 6-4, 6-7 (5), 7-6 (3).

Women
First Round

Naomi Osaka (3), Japan, def. Bernarda Pera, United States, 6-2, 7-6 (4).

Ana Bogdan, Romania, def. Ekaterina Makarova (4), Russia, 7-6 (2), 6-3.

Nao Hibino, Japan, def. Sofya Zhuk, Russia, 7-5, 6-4.

Donna Vekic (7), Croatia, def. Caroline Dolehide, United States, 6-3, 6-4.

Belinda Bencic (6), Switzerland, def. Harriet Dart, Britain, 7-5, 6-2.

Sloane Stephens (2), United States, def. Bethanie Mattek-Sands, United States, 7-5, 6-4.

Yulia Putintseva (8), Kazakhstan, def. Tatjana Maria, Germany, 6-3, 3-6, 6-4.

Caroline Wozniacki (1), Denmark, vs. Anhelina Kalinina, Ukraine, ccd.

Doubles
Men
First Round

Divij Sharan, India, and Artem Sitak, New Zealand, def. Jamie Cerretani, United States, and Leander Paes, India, 7-6 (2), 3-6, 10-7.

Women
First Round

Shuko Aoyama, Japan, and Renata Voracova (2), Czech Republic, def. Francesca di Lorenzo and Jamie Loeb, United States, 7-6 (1), 6-4.

Louisa Chirico and Allie Kiick, United States, def. Alana Smith and Natasha Subhash, United States, 6-4, 7-6 (4).

Chan Hao-ching, Taiwan, and Yang Zhaoxuan (1), China, def. Sophie Chang and Alexandra Mueller, United States, 6-2, 6-3.

Alexa Guarachi, Chile, and Erin Routliffe, New Zealand, def. Harriet Dart, Britain, and Prarthana Thombare, India, 7-6 (3), 7-5.

Kristie Ahn and Lauren Davis, United States, def. Nicole Hammond, United States, and Kristyna Nepivodova, Czech Republic, 6-1, 6-2.