A U.S. Open Series event
Tuesday
At William H.G. FitzGerald Tennis Center
Washington
Purse: Men, $1.4 million (WT500); Women, $250,000 (Intl.)
Surface: Hard-Outdoor
Singles
Men
First Round
Sam Querrey, United States, def. Michael Russell, United States, 6-4, 6-3.
Steve Johnson, United States, def. James Duckworth, Australia, 6-3, 7-6 (4).
Dudi Sela, Israel, def. Sam Groth, Australia, 7-6 (3), 3-6, 6-4.
Victor Estrella Burgos, Dominican Republic, def. Tobias Kamke, Germany, 6-4, 4-6, 7-6 (4).
Jack Sock, United States, def. Michael Berrer, Germany, 7-6 (2), 6-4.
Benjamin Becker, Germany, def. Blaz Kavcic, Slovenia, 6-3, 7-6 (7).
Second Round
Denis Istomin (15), Uzbekistan, def. Bernard Tomic, Australia, 6-4, 7-6 (6).
Kevin Anderson (7), South Africa, def. Evgeny Donskoy, Russia, 6-3, 6-4.
Ivo Karlovic (9), Croatia, def. Benoit Paire, France, 7-6 (5), 6-7 (11), 7-6 (2).
Lukas Lacko, Slovakia, def. Yen-hsun Lu (16), Taiwan, 6-1, 6-4.
Lleyton Hewitt (14), Australia, def. Marinko Matosevic, Australia, 6-4, 6-3.
Malek Jaziri, Tunisia, def. Radek Stepanek (11), Czech Republic, 2-6, 7-6 (3), 6-1.
Tim Smyczek, United States, def. Jeremy Chardy (12), France, 7-6 (5), 3-6, 6-4.
Women
First Round
Ekaterina Makarova (2), Russia, def. Magdalena Rybarikova, Slovakia, 6-1, 6-1.
Marina Erakovic, New Zealand, def. Kristyna Pliskova, Czech Republic, 4-6, 6-2, 6-4.
Kristina Mladenovic, France, def. Lucie Safarova (1), Czech Republic, 2-6, 6-3, 6-3.
Anastasia Pavlyuchenkova (5), Russia, def. Virginia Razzano, France, 6-2, 6-2.
Bojana Jovanovski, Serbia, def. Olivia Rogowska, Australia, 6-7 (5), 7-5, 7-5.
Christina McHale, United States, def. Sloane Stephens (4), United States, 6-4, 4-6, 6-0.
Kirsten Flipkens, Germany, def. Heather Watson, Britain, 6-3, 1-6, 7-6 (3).
Lauren Davis, United States, def. Peng Shuai, China, 1-6, 6-4, 6-2.
Doubles
Men
First Round
Jonathan Erlich, Israel, and Rajev Ram, United States, def. Jamie Murray, Britain, and John Peers, Australia, 6-3, 6-4.
Juan Sebastian Cabal, Colombia, and David Marrero, Spain, def. Daniel Nestor, Canada, and Nenad Zimonjic (3), Serbia, 6-2, 6-2.
Women
First Round
Irina Falconi and Keri Wong, United States, def. Roxanne and Sierra Ellison, United States, 6-4, 6-1.
Jocelyn Rae and Anna Smith, Britain, def. Francoise Abanda, Canada, and Shelby Rogers, United States, 6-2, 6-4.
Vania King and Taylor Townsend (3), United States, def. Lena Litvak and Alexandra Mueller, United States, 6-7 (5), 6-4, 10-3.
Hiroko Kuwata and Kurumi Nara, Japan, def. Nicola Slater and Emily Welby-Smith, Britain, 6-2, 6-1.