MELBOURNE, Feb 16 (Reuters) - Order of play on the main showcourt on the 10th day of the Australian Open on Wednesday (play begins at 0000 GMT; prefix number denotes seeding; all matches quarter-finals):
ROD LAVER ARENA
1-Ash Barty (Australia) v 25-Karolina Muchova (Czech Republic)
Not before 0200
22-Jennifer Brady (U.S.) v Jessica Pegula (U.S.)
Not before 0400
7-Andrey Rublev (Russia) v 4-Daniil Medvedev (Russia)
Not before 0830
5-Stefanos Tsitsipas (Greece) v 2-Rafa Nadal (Spain)