MELBOURNE, Australia (AP) — Schedule of the main show-court matches Wednesday at the Australian Open at Melbourne Park:

Play begins on all courts at 0000 GMT=

Rod Laver Arena=

Roberta Vinci, Italy, vs. Ekaterina Makarova (10) Russia

Maria Sharapova (2), Russia, vs. Alexandra Panova, Russia

Roger Federer (2), Switzerland, vs. Simone Bolelli, Italy

^Not before 0800 GMT= Rafael Nadal (3), Spain, vs. Tim Smyczek, United States Simona Halep (3), Romania, vs. Jarmila Gajdosova, Australia
^Margaret Court Arena= Klara Koukalova, Czech Republic, vs. Julia Goerges, Germany Andy Murray (6), Britain, vs. Marinko Matosevic, Australia Sara Errani (14), Italy vs. Silvia Soler-Espinsoa, Spain^Not before 0800 GMT= Eugenie Bouchard (7), Canada, vs. Kiki Bertens, Netherlands Philipp Kohlschreiber (22), Germany, vs. Bernard Tomic, Australia.