Melbourne, Australia: Results Tuesday from the Australian Open at Melbourne Park (seedings in parentheses):
Men's Singles
Quarterfinals
Stanislas Wawrinka (8), Switzerland, def. Novak Djokovic (2), Serbia, 2-6, 6-4, 6-2, 3-6, 9-7.
Tomas Berdych (7), Czech Republic, def. David Ferrer (3), Spain, 6-1, 6-4, 2-6, 6-4.
Women's Singles
Li Na (4), China, def. Flavia Pennetta (28), Italy, 6-2, 6-2.
Eugenie Bouchard (30), Canada, def. Ana Ivanovic (14), Serbia, 5-7, 7-5, 6-2.
Men's Doubles
Eric Butorac, United States, and Raven Klaasen, South Africa, def. Treat Huey, Philippines, and Dominic Inglot (12), Britain, 6-7 (3), 7-6 (6), 6-4.
Women's Doubles
Sara Errani, Italy, and Roberta Vinci (1), Italy, def. Cara Black, Zimbabwe, and Sania Mirza (6), India, 6-2, 3-6, 6-4.
Ekaterina Makarova, Russia, and Elena Vesnina (3), Russia, def. Andrea Hlavackova, Czech Republic, and Lucie Safarova (7), Czech Republic, 6-2, 2-6, 7-6 (4).
Kveta Peschke, Czech Republic, and Katarina Srebotnik (4), Slovenia, def. Jarmila Gajdosova, Australia, and Ajla Tomljanovic, Croatia, 7-5, 4-6, 6-4.
Raquel Kops-Jones, United States, and Abigail Spears (8), United States, def. Shahar Peer, Israel, and Silvia Soler-Espinosa, Spain, 6-4, 6-0.
Mixed Doubles
Second Round
Zheng Jie, China, and Scott Lipsky, United States, def. Anna-Lena Groenefeld, Germany, and Alexander Peya (1), Austria, 2-6, 7-6 (5), 10-5.
Julia Goerges, Germany, and Aisam-Ul-Haq Qureshi, Pakistan, def. Andrea Hlavackova, Czech Republic, and Max Mirnyi (4), Belarus, 6-3, 6-4.
