
Angelique Kerber of Germany competes during Women's Singles fourth round match against Anastasia Pavlyuchenkova of Russia at the Australian Open tennis tournament in Melbourne, Australia, on Jan. 27, 2020. (Xinhua/Zhu Hongye)

Angelique Kerber of Germany competes during Women's Singles fourth round match against Anastasia Pavlyuchenkova of Russia at the Australian Open tennis tournament in Melbourne, Australia, on Jan. 27, 2020. (Xinhua/Zhu Hongye)