Serena Williams through easily in Australian Open tuneup
Germany's Laura Siegmund makes a backhand return to Kazakhstan's Zarina Diyas during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Andrew Brownbill)

Germany's Laura Siegmund makes a backhand return to Kazakhstan's Zarina Diyas during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Andrew Brownbill)

Jan. 31, 2021 11:52 PM EST
United States' Serena Williams makes a backhand return to Australia's Daria Gavrilova during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

United States' Serena Williams makes a backhand return to Australia's Daria Gavrilova during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

Feb. 01, 2021 01:19 AM EST
United States' Serena Williams makes a backhand return to Australia's Daria Gavrilova during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

United States' Serena Williams makes a backhand return to Australia's Daria Gavrilova during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

Feb. 01, 2021 03:19 AM EST
United States' Cori Gauff makes a forehand return to Switzerland's Jil Teichmann during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

United States' Cori Gauff makes a forehand return to Switzerland's Jil Teichmann during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

Feb. 01, 2021 12:24 AM EST
Japan's Misaki Doi makes a forehand return to Russia's Anastasia Pavlyuchenkova during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

Japan's Misaki Doi makes a forehand return to Russia's Anastasia Pavlyuchenkova during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

Jan. 31, 2021 07:45 PM EST
United States' Frances Tiafoe serves to France's Corentin Moutet during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Andrew Brownbill)

United States' Frances Tiafoe serves to France's Corentin Moutet during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Andrew Brownbill)

Jan. 31, 2021 08:19 PM EST
France's Alize Cornet makes a backhand return to to Australia's Ajla Tomljanovic during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

France's Alize Cornet makes a backhand return to to Australia's Ajla Tomljanovic during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Hamish Blair)

Jan. 31, 2021 08:27 PM EST
France's Corentin Moutet makes a forehand return to United States' Frances Tiafoe during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Andrew Brownbill)

France's Corentin Moutet makes a forehand return to United States' Frances Tiafoe during a tuneup tournament ahead of the Australian Open tennis championships in Melbourne, Australia, Monday, Feb. 1, 2021. (AP Photo/Andrew Brownbill)

Jan. 31, 2021 08:14 PM EST