A U.S. Open Series event

Wednesday

At The Lindner Family Tennis Center

Mason, Ohio

Purse: Men, $3.43 million (Masters 1000); Women, $2.17 million (Premier)

Surface: Hard-Outdoor

Singles

Men

Second Round

Mardy Fish (10), United States, def. Carlos Berlocq, Argentina, 6-3, 6-1.

Viktor Troicki, Serbia, def. Lleyton Hewitt, Australia, 6-2, 6-0.

Nikolay Davydenko, Russia, def. Florian Mayer, Germany, 6-3, 6-3.

Novak Djokovic (2), Serbia, def. Andreas Seppi, Italy, 7-6 (4), 6-2.

Juan Martin del Potro (6), Argentina, def. Tommy Haas, Germany, 7-5, 6-2.

Jeremy Chardy, France, def. Denis Istomin, Uzbekistan, 6-4, 6-3.

Andy Murray (3), Britain, def. Sam Querrey, United States, 6-2, 6-4.

Milos Raonic, Canada, def. Marcos Baghdatis, Cyprus, 6-7 (6), 6-3, 6-4.

Kei Nishikori (14), Japan, def. James Blake, United States, 2-6, 6-4, 6-4.

Radek Stepanek, Czech Republic, def. Juan Monaco (8), Argentina, 7-6 (2), 6-1.

Marin Cilic (12), Croatia, def. Jesse Levine, United States, 7-5, 7-6 (6).

Pablo Andujar, Spain, def. Janko Tipsarevic (7), Serbia, 6-4, 4-1 retired.

Roger Federer (1), Switzerland, def. Alex Bogomolov Jr., Russia, 6-3, 6-2.

Stanislas Wawrinka, Switzerland, def. David Ferrer (4), Spain, 6-4, 6-1.

Women

Second Round

Agnieszka Radwanska (1), Poland, def. Sofia Arvidsson, Sweden, 6-4, 6-3.

Sloane Stephens, United States, def. Camila Giorgi, Italy, 6-2, 6-1.

Andrea Hlavackova, Czech Republic, def. Dominika Cibulkova (11), Slovakia, 7-6 (1), 4-1, retired.

Anastasia Pavlyuchenkova (17), Russia, def. Julia Goerges, Germany, 6-3, 6-0.

Peng Shuai, China, def. Roberta Vinci, Italy, 6-3, 6-4.

Petra Kvitova (4), Czech Republic, def. Mona Barthel, Germany, 3-6, 6-2, 7-5.

Sara Errani (7), Italy, def. Daniela Hantuchova, Slovakia, 6-4, 6-4.

Urszula Radwanska, Poland, def. Yaroslava Shvedova, Kazakhstan, 4-6, 4-1, retired.

Ekaterina Makarova, Russia, def. Anna Tatishvili, Georgia, 6-1, 6-2.

Venus Williams, United States, def. Chanelle Scheepers, South Africa, 2-6, 6-3, 6-2.

Caroline Wozniacki (6), Denmark, def. Sesil Karatantcheva, Kazakhstan, 6-1, 6-0.

Li Na (9), China, def. Sorana Cirstea, Romania, 6-3, 4-6, 6-3.

Doubles

Men

First Round

Juan Sebastian Cabal, Colombia, and Bruno Soares, Brazil, def. Colin Fleming and Ross Hutchins, Britain, 6-4, 6-4.

Ivan Dodig, Croatia, and Marcelo Melo, Brazil, def. Tomas Berdych, Czech Republic, and Florian Mayer, Germany, 6-4, 6-3.

Brian Baker and Rajeev Ram, United States, def. Julien Benneteau and Richard Gasquet, France, 6-4, 6-7 (4), 10-2.

Women

First Round

Eleni Daniilidou, Germany, and Peng Shuai, China, def. Jelena Jankovic, Serbia, and Shahar Peer, Israel, 6-1, 6-3.

Second Round

Andrea Hlavackova and Lucie Hradecka (5), Czech Republic, def. Julia Goerges, Germany, and Kveta Peschke, Czech Republic, 6-1, 4-6, 10-6 tiebreak.

Varvara Lepchenko and Sloane Stephens, United States, def. Raquel Kops-Jones and Abigail Spears (7), United States, 3-6, 6-4, 10-6 tiebreak.

Natalie Grandin, South Africa, and Vladimira Uhlirova, Czech Republic, def. Vania King, United States, and Yaroslava Shvedova (3), Kazakhstan, 6-1, 7-6 (6).

Sara Errani and Roberta Vinci (2), Italy, def. Anastasia Rodionova, Australia, and Galina Voskoboeva, Kazakhstan, 6-4, 6-4.

Katarina Srebotnik, Slovenia, and Zheng Jie (8), China, def. Ekaterina Makarova, Russia, and Anna Tatishvili, Georgia, 3-6, 6-4, 11-9 tiebreak.

Darija Jurak, Croatia, and Katalin Marosi, Hungary, def. Dominika Cibulkova and Daniela Hantuchova, Slovakia, walkover.

Nuria Llagostera Vives and Maria Jose Martinez Sanchez (6), Spain, def. Vera Dushevina, Russia, and Paola Suarez, Argentina, 2-6, 6-3, 11-9 tiebreak.