World No.4 and defending champion Elena Rybakina has withdrawn from the WTA Tour's Italian Open in Rome with illness.
Chris O'Connell had to retire and Alexei Popyrin, Rinky Hijikata and Daria Saville were all beaten at the Italian Open on a dismal day for Australia.
Rafael Nadal has rallied from a set down to defeat Belgian qualifier Zizou Bergs in the first round of the Italian Open.