Masked spectators arrive for the first round matches at the Australian Open tennis championships in Melbourne, Australia, Monday, Jan. 17, 2022. (AP Photo/Hamish Blair)

Maria Sakkari of Greece waves after defeating Tatjana Maria of Germany in their first round match at the Australian Open tennis championships in Melbourne, Australia, Monday, Jan. 17, 2022. (AP Photo/Hamish Blair)

Elina Svitolina of Ukraine plays a backhand return to Fiona Ferro of France during their first round match at the Australian Open tennis championships in Melbourne, Australia, Monday, Jan. 17, 2022. (AP Photo/Hamish Blair)

Naomi Osaka of Japan reacts during her first round match against Camila Osorio of Colombia at the Australian Open tennis championships in Melbourne, Australia, Monday, Jan. 17, 2022. (AP Photo/Hamish Blair)

Belinda Bencic of Switzerland plays a backhand return to Kristina Mladenovic of France during their first round match at the Australian Open tennis championships in Melbourne, Australia, Monday, Jan. 17, 2022. (AP Photo/Andrew Brownbill)