Angelique Kerber of Germany reacts during the women's singles first-round match against Lesia Tsurenko of Ukraine at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 16, 2017. Kerber won 2-1. (Xinhua/Lui Siu Wai)
Angelique Kerber of Germany reacts during the women's singles first-round match against Lesia Tsurenko of Ukraine at the Australian Open Tennis Championships in Melbourne, Australia, Jan. 16, 2017. Kerber won 2-1. (Xinhua/Lui Siu Wai)