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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, quarter-final matches unless mentioned):
ROD LAVER ARENA
21-Angelique Kerber (Germany) v 17-Madison Keys (U.S.)
Not before 0200 GMT
Tennys Sandgren (U.S.) v Chung Hyeon (South Korea)
Not before 0400 GMT
1-Simona Halep (Romania) v 6-Karolina Pliskova (Czech Republic)
Not before 0830 GMT
2-Roger Federer (Switzerland) v 19-Tomas Berdych (Czech Republic)
