Melbourne: Results Monday from the Australian Open at Melbourne Park (seedings in parentheses):
Men's Singles
Fourth Round
Rafael Nadal (1), Spain, def. Kei Nishikori (16), Japan, 7-6 (3), 7-5, 7-6 (3).
Andy Murray (4), Britain, def. Stephane Robert, France, 6-1, 6-2, 6-7 (6), 6-2.
Roger Federer (6), Switzerland, def. Jo-Wilfried Tsonga (10), France, 6-3, 7-5, 6-4.
Grigor Dimitrov (22), Bulgaria, def. Roberto Bautista Agut, Spain, 6-3, 3-6, 6-2, 6-4.
Women's Singles
Victoria Azarenka (2), Belarus, def. Sloane Stephens (13), United States, 6-3, 6-2.
Dominika Cibulkova (20), Slovakia, def. Maria Sharapova (3), Russia, 3-6, 6-4, 6-1.
Simona Halep (11), Romania, def. Jelena Jankovic (8), Serbia, 6-4, 2-6, 6-0.
Men's Doubles
Third Round
Eric Butorac, United States, and Raven Klaasen, South Africa, def. Bob Bryan, United States, and Mike Bryan (1), United States, 7-6 (9), 6-4.
Lukasz Kubot, Poland, and Robert Lindstedt (14), Sweden, def. Ivan Dodig, Croatia, and Marcelo Melo (4), Brazil, 5-7, 6-4, 6-4.
Daniel Nestor, Canada, and Nenad Zimonjic (8), Serbia, def. Mariusz Fyrstenberg, Poland, and Marcin Matkowski (9), Poland, 6-4, 6-7 (5), 6-3.
Max Mirnyi, Belarus, and Mikhail Youzhny, Russia, def. Julien Benneteau, France, and Edouard Roger-Vasselin (11), France, 6-2, 4-6, 6-3.
Women's Doubles
Ekaterina Makarova, Russia, and Elena Vesnina (3), Russia, def. Daniela Hantuchova, Slovakia, and Lisa Raymond (15), United States, 6-4, 6-7 (5), 6-2.
Cara Black, Zimbabwe, and Sania Mirza (6), India, def. Eugenie Bouchard, Canada, and Vera Dushevina, Russia, 6-4, 6-3.
Andrea Hlavackova, Czech Republic, and Lucie Safarova (7), Czech Republic, def. Madison Keys, United States, and Alison Riske, United States, 6-4, 6-3.
Raquel Kops-Jones, United States, and Abigail Spears (8), United States, def. Alize Cornet, France, and Caroline Garcia, France, 4-6, 6-4, 6-4.
Mixed Doubles
Second Round
Katarina Srebotnik, Slovenia, and Rohan Bopanna (2), India, def. Ashleigh Barty, Australia, and John Peers, Australia, 7-6 (5), 7-5.
Anabel Medina Garrigues, Spain, and Bruno Soares (5), Brazil, def. Abigail Spears, United States, and Dominic Inglot, Britain, 6-7 (5), 7-5, 10-8.
Sania Mirza, India, and Horia Tecau (6), Romania, def. Anastasia Rodionova, Australia, and Colin Fleming, Britain, 6-2, 6-2.
Jarmila Gajdosova, Australia, and Matthew Ebden, Australia, def. Kveta Peschke, Czech Republic, and Marcin Matkowski (7), Poland, 6-4, 3-6, 10-6.
Daniela Hantuchova, Slovakia, and Leander Paes, India, def. Elena Vesnina, Russia, and Mahesh Bhupathi (8), India, 6-0, 2-6, 10-6.
Kristina Mladenovic, France, and Daniel Nestor, Canada, def. Lisa Raymond, United States, and Mariusz Fyrstenberg, Poland, 6-4, 6-1.
First Round
Andrea Hlavackova, Czech Republic, and Max Mirnyi (4), Belarus, def. Casey Dellacqua, Australia, and Ross Hutchins, Britain, 6-4, 6-4.
Zheng Jie, China, and Scott Lipsky, United States, def. Alicja Rosolska, Poland, and Johan Brunstrom, Sweden, 6-3, 6-4.
