Serena Williams of the U.S. serves during the women's singles third round match against her compatriot Nicole Gibbs at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 21, 2017. Serena Williams won 2-0. (Xinhua/Lui Siu Wai)
Serena Williams of the U.S. serves during the women's singles third round match against her compatriot Nicole Gibbs at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 21, 2017. Serena Williams won 2-0. (Xinhua/Lui Siu Wai)