Garbine Muguruza (L) and Karolina Pliskova shake hands after the women's singles 4th round match between Garbine Muguruza of Spain and Karolina Pliskova of the Czech Republic at the 2019 Australian Open in Melbourne, Australia, Jan. 21, 2019. Garbine Muguruza lost 0-2. (Xinhua/Hu Jingchen)