Wednesday
At Melbourne Park
Melbourne, Australia
All Times EST
Play begins on all courts at 7 p.m. Tuesday
Rod Laver Arena
Madison Keys, United States, vs. Venus Williams (18), United States
Not before 8:30 p.m. Tuesday: Serena Williams (1), United States, vs. Dominika Cibulkova (11), Slovakia
Not before 10 p.m. Tuesday: Stan Wawrinka (4), Switzerland, vs. Kei Nishikori (5), Japan
Night Session (3:30 a.m. Wednesday)
Novak Djokovic (1), Serbia, vs. Milos Raonic (8), Canada
Doubles TBA