US Open results

New York, Sep 4 - Following are the US Open results on Monday:

Women’s singles fourth round: 20-Roberta Vinci bt 2-Agnieszka Radwanska 6-1, 6-4; 10-Sara Errani bt 6-Angelique Kerber 7-6(5), 6-3; 12-Ana Ivanovic bt Tsvetana Pironkova 6-0, 6-4; 4-Serena Williams bt Andrea Hlavackova 6-0, 6-0; 10-Sara Errani bt 6-Angelique Kerber 7-6(5), 6-3.

Men’s singles fourth round: 12-Marin Cilic bt Martin Klizan 7-5, 6-4, 6-0; 1-Roger Federer bt 23-Mardy Fish walkover; 6-Tomas Berdych bt Nicolas Almagro 7-6(4), 6-4, 6-1.

Women’s doubles third round: 4-Maria Kirilenko/Nadia Petrova bt Serena/Venus Williams 6-1, 6-4; 11-Julia Goerges/Kveta Peschke bt 5-Vania King/Yaroslava Shvedova 6-4, 6-2; Sabine Lisicki/Peng Shuai bt 6-Ekaterina Makarova/Elena Vesnina 6-2, 3-6, 6-4.

Men’s doubles third round: 2-Bob/Mike Bryan bt 16-Santiago Gonzalez/Scott Lipsky 6-7(6), 7-6(5), 6-3; 15-Alexander Peya/Bruno Soares bt Frantisek Cermak/Michal Mertinak 6-7(5), 6-3, 7-6(3).