Australian Open results

Following are the results from the Australian Open at Melbourne Park on Wednesday (prefix number denotes seeding):

Men's singles

Quarterfinals

4-Stan Wawrinka, Switzerland, bt 5-Kei Nishikori, Japan, 6-3, 6-4, 7-6 (8/6)

1-Novak Djokovic, Serbia, bt 8-Milos Raonic, Canada, 7-6 (7/5), 6-4, 6-2

Women's singles

Quarterfinals

Madison Keys, United States, bt 18-Venus Williams, United States, 6-3, 4-6, 6-4

1-Serena Williams, United States, bt 11-Dominika Cibulkova, Slovakia, 6-2, 6-2

Endi