150 
Order of play on the main showcourt on the ninth day of the Australian Open on Tuesday (play begins at 0130 GMT, prefix number denotes seeding):
ROD LAVER ARENA
Hsieh Su-wei (Taiwan) v 3-Naomi Osaka (Japan)
Not before 0400 GMT
18-Grigor Dimitrov (Bulgaria) v Aslan Karatsev (Russia)
From 0800 GMT
10-Serena Williams (U.S.) v 2-Simona Halep (Romania)
1-Novak Djokovic (Serbia) v 6-Alexander Zverev (Germany)
